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class="vector-toc-numb">3.6</span> <span>U.S. Army Corps of Engineers</span> </div> </a> <ul id="toc-U.S._Army_Corps_of_Engineers-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Climate_regions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Climate_regions"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Climate regions</span> </div> </a> <ul id="toc-Climate_regions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> 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noexcerpt noprint searchaux" style="display:none">Overview of the Regional designations of Montana</div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Flag_of_Montana.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Flag_of_Montana.svg/250px-Flag_of_Montana.svg.png" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Flag_of_Montana.svg/375px-Flag_of_Montana.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Flag_of_Montana.svg/500px-Flag_of_Montana.svg.png 2x" data-file-width="768" data-file-height="512" /></a><figcaption>Montana State Flag</figcaption></figure> <p>The <b>Regional designations of Montana</b> vary widely within the <a href="/wiki/United_States" title="United States">U.S</a> state of <a href="/wiki/Montana" title="Montana">Montana</a>. The state is a large geographical area (147,046 square miles (380,850 km<sup>2</sup>)) that is split by the <a href="/wiki/Continental_Divide" class="mw-redirect" title="Continental Divide">Continental Divide</a>, resulting in <a href="/wiki/Drainage_basin" title="Drainage basin">watersheds</a> draining into the <a href="/wiki/Pacific_Ocean" title="Pacific Ocean">Pacific Ocean</a>, <a href="/wiki/Gulf_of_Mexico" title="Gulf of Mexico">Gulf of Mexico</a> and <a href="/wiki/Canada_Hudson_Bay_drainage" class="mw-redirect" title="Canada Hudson Bay drainage">Hudson's Bay</a>. The state is approximately 545 miles (877 km) east to west along the <a href="/wiki/Canada%E2%80%93United_States_border" title="Canada–United States border">Canada–United States border</a> and 320 miles (510 km) north to south. The fourth largest state in land area, it has been divided up in official and unofficial ways into a variety of regions. Additionally, Montana is part of a number of larger federal government administrative regions. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Unofficial_designations">Unofficial designations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=1" title="Edit section: Unofficial designations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Various parts of Montana have been given a number of formal and informal names, including: </p> <ul><li><a href="/wiki/Eastern_Montana" title="Eastern Montana">Eastern Montana</a>, with varying definitions placing the western boundary anywhere from the Continental Divide to areas east of <a href="/wiki/Billings,_Montana" title="Billings, Montana">Billings, Montana</a>.</li> <li><a href="/wiki/Western_Montana" title="Western Montana">Western Montana</a>, with varying definitions placing the eastern boundary anywhere from the Continental Divide to the eastern edge of the <a href="/wiki/Absaroka_Range" title="Absaroka Range">Absaroka Range</a>.</li> <li>Central Montana, with varying definitions.</li> <li>The <a href="/wiki/Hi-Line_(Montana)" title="Hi-Line (Montana)">Hi-Line</a>, a region of northern Montana close to the <a href="/wiki/Canada%E2%80%93United_States_border" title="Canada–United States border">Canada–United States border</a> along which runs the main line of the <a href="/wiki/Great_Northern_Railway_(U.S.)" title="Great Northern Railway (U.S.)">Great Northern Railway</a> and <a href="/wiki/U.S._Highway_2" class="mw-redirect" title="U.S. Highway 2">U.S. Highway 2</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>The "Golden Triangle," an area noted for grain growing, outlined by the cities of <a href="/wiki/Havre,_Montana" title="Havre, Montana">Havre</a>, <a href="/wiki/Conrad,_Montana" title="Conrad, Montana">Conrad</a> and <a href="/wiki/Great_Falls,_Montana" title="Great Falls, Montana">Great Falls</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Greater_Yellowstone_Ecosystem" title="Greater Yellowstone Ecosystem">Greater Yellowstone Ecosystem</a>, which includes all or parts of <a href="/wiki/Gallatin_National_Forest" title="Gallatin National Forest">Gallatin</a> and <a href="/wiki/Custer_National_Forest" title="Custer National Forest">Custer National Forests</a> in addition to <a href="/wiki/Yellowstone_National_Park" title="Yellowstone National Park">Yellowstone National Park</a></li> <li><a href="/wiki/Many_Glacier" title="Many Glacier">Many Glacier</a>, is a region within <a href="/wiki/Glacier_National_Park_(U.S.)" title="Glacier National Park (U.S.)">Glacier National Park</a>. The region is located north of the <a href="/wiki/Going-to-the-Sun_Road" title="Going-to-the-Sun Road">Going-to-the-Sun Road</a>, on the east side of the park.</li> <li><a href="/wiki/49th_parallel_north#History" title="49th parallel north">Medicine Line</a>, the name given the 49th parallel border between the U.S. and Canada between <a href="/wiki/Lake_of_the_Woods" title="Lake of the Woods">Lake of the Woods</a> and the continental divide by <a href="/wiki/Native_Americans_in_the_United_States" title="Native Americans in the United States">Native Americans</a> because of its seemingly magical ability to prevent U.S. soldiers from crossing it.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/The_Flathead" class="mw-redirect" title="The Flathead">The Flathead</a>, encompassing the area around <a href="/wiki/Flathead_Lake" title="Flathead Lake">Flathead Lake</a> and surrounding communities</li> <li><a href="/wiki/Two_Medicine" title="Two Medicine">Two Medicine</a>, is the collective name of a region located in the southeastern section of Glacier National Park.</li> <li>The Bitterroot, centered on <a href="/wiki/Ravalli_County" class="mw-redirect" title="Ravalli County">Ravalli County</a> and <a href="/wiki/Hamilton,_Montana" title="Hamilton, Montana">Hamilton</a>, the county seat.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Official_state_regions">Official state regions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=2" title="Edit section: Official state regions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Tourism_regions">Tourism regions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=3" title="Edit section: Tourism regions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Montana Official Travel Site (<span class="url"><a rel="nofollow" class="external text" href="http://visitmt.com/">visitmt<wbr />.com</a></span>) has designated six distinct regions in the state for travel promotion.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <ul><li>Custer Country, comprising <a href="/wiki/Big_Horn_County,_Montana" title="Big Horn County, Montana">Big Horn</a>, <a href="/wiki/Carter_County,_Montana" title="Carter County, Montana">Carter</a>, <a href="/wiki/Custer_County,_Montana" title="Custer County, Montana">Custer</a>, <a href="/wiki/Dawson_County,_Montana" title="Dawson County, Montana">Dawson</a>, <a href="/wiki/Fallon_County,_Montana" title="Fallon County, Montana">Fallon</a>, <a href="/wiki/Golden_Valley_County,_Montana" title="Golden Valley County, Montana">Golden Valley</a>, <a href="/wiki/Musselshell_County,_Montana" title="Musselshell County, Montana">Musselshell</a>, <a href="/wiki/Powder_River_County,_Montana" title="Powder River County, Montana">Powder River</a>, <a href="/wiki/Prairie_County,_Montana" title="Prairie County, Montana">Prairie</a>, <a href="/wiki/Rosebud_County,_Montana" title="Rosebud County, Montana">Rosebud</a>, <a href="/wiki/Treasure_County,_Montana" title="Treasure County, Montana">Treasure</a>, <a href="/wiki/Wibaux_County,_Montana" title="Wibaux County, Montana">Wibaux</a>, <a href="/wiki/Yellowstone_County,_Montana" title="Yellowstone County, Montana">Yellowstone</a> counties. Includes the <a href="/wiki/Little_Bighorn_Battlefield_National_Monument" title="Little Bighorn Battlefield National Monument">Little Bighorn Battlefield National Monument</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Glacier_Country,_Montana" title="Glacier Country, Montana">Glacier Country</a>, comprising <a href="/wiki/Flathead_County,_Montana" title="Flathead County, Montana">Flathead</a>, <a href="/wiki/Glacier_County,_Montana" title="Glacier County, Montana">Glacier</a>, <a href="/wiki/Granite_County,_Montana" title="Granite County, Montana">Granite</a>, <a href="/wiki/Lake_County,_Montana" title="Lake County, Montana">Lake</a>, <a href="/wiki/Lincoln_County,_Montana" title="Lincoln County, Montana">Lincoln</a>, <a href="/wiki/Mineral_County,_Montana" title="Mineral County, Montana">Mineral</a>, <a href="/wiki/Missoula_County,_Montana" title="Missoula County, Montana">Missoula</a>, <a href="/wiki/Ravalli_County,_Montana" title="Ravalli County, Montana">Ravalli</a>, and <a href="/wiki/Sanders_County,_Montana" title="Sanders County, Montana">Sanders</a> counties. Includes <a href="/wiki/Glacier_National_Park_(U.S.)" title="Glacier National Park (U.S.)">Glacier National Park</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></li> <li>Gold West Country, comprising <a href="/wiki/Beaverhead_County,_Montana" title="Beaverhead County, Montana">Beaverhead</a>, <a href="/wiki/Broadwater_County,_Montana" title="Broadwater County, Montana">Broadwater</a>, <a href="/wiki/Deer_Lodge_County,_Montana" title="Deer Lodge County, Montana">Deer Lodge</a>, <a href="/wiki/Jefferson_County,_Montana" title="Jefferson County, Montana">Jefferson</a>, <a href="/wiki/Lewis_and_Clark_County,_Montana" title="Lewis and Clark County, Montana">Lewis and Clark</a>, <a href="/wiki/Madison_County,_Montana" title="Madison County, Montana">Madison</a>, <a href="/wiki/Powell_County,_Montana" title="Powell County, Montana">Powell</a>, and <a href="/wiki/Silver_Bow_County,_Montana" title="Silver Bow County, Montana">Silver Bow</a> counties.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li> <li>Missouri River Country, comprising <a href="/wiki/Daniels_County,_Montana" title="Daniels County, Montana">Daniel</a>, <a href="/wiki/Garfield_County,_Montana" title="Garfield County, Montana">Garfield</a>, <a href="/wiki/McCone_County,_Montana" title="McCone County, Montana">McCone</a>, <a href="/wiki/Phillips_County,_Montana" title="Phillips County, Montana">Phillips</a>, <a href="/wiki/Richland_County,_Montana" title="Richland County, Montana">Richland</a>, <a href="/wiki/Roosevelt_County,_Montana" title="Roosevelt County, Montana">Roosevelt</a>, <a href="/wiki/Sheridan_County,_Montana" title="Sheridan County, Montana">Sheridan</a>, <a href="/wiki/Valley_County,_Montana" title="Valley County, Montana">Valley</a> counties.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Includes major portions of the <a href="/wiki/Montana_Dinosaur_Trail" title="Montana Dinosaur Trail">Montana Dinosaur Trail</a>.</li> <li>Russell Country, comprising <a href="/wiki/Blaine_County,_Montana" title="Blaine County, Montana">Blaine</a>, <a href="/wiki/Cascade_County,_Montana" title="Cascade County, Montana">Cascade</a>, <a href="/wiki/Chouteau_County,_Montana" title="Chouteau County, Montana">Chouteau</a>, <a href="/wiki/Fergus_County,_Montana" title="Fergus County, Montana">Fergus</a>, <a href="/wiki/Glacier_County,_Montana" title="Glacier County, Montana">Glacier</a>, <a href="/wiki/Hill_County,_Montana" title="Hill County, Montana">Hill</a>, <a href="/wiki/Liberty_County,_Montana" title="Liberty County, Montana">Liberty</a>, <a href="/wiki/Meagher_County,_Montana" title="Meagher County, Montana">Meagher</a>, <a href="/wiki/Petroleum_County,_Montana" title="Petroleum County, Montana">Petroleum</a>, <a href="/wiki/Pondera_County,_Montana" title="Pondera County, Montana">Pondera</a>, <a href="/wiki/Toole_County,_Montana" title="Toole County, Montana">Toole</a>, and <a href="/wiki/Teton_County,_Montana" title="Teton County, Montana">Teton</a> counties.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The region is named for the influence on the area by cowboy artist <a href="/wiki/Charles_Marion_Russell" title="Charles Marion Russell">Charles M. Russell</a>.</li> <li>Yellowstone Country, comprising <a href="/wiki/Carbon_County,_Montana" title="Carbon County, Montana">Carbon</a>, <a href="/wiki/Gallatin_County,_Montana" title="Gallatin County, Montana">Gallatin</a>, <a href="/wiki/Park_County,_Montana" title="Park County, Montana">Park</a>, <a href="/wiki/Stillwater_County,_Montana" title="Stillwater County, Montana">Stillwater</a> and <a href="/wiki/Sweet_Grass_County,_Montana" title="Sweet Grass County, Montana">Sweet Grass</a> counties. Includes northern and western gateways to <a href="/wiki/Yellowstone_National_Park" title="Yellowstone National Park">Yellowstone National Park</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading3"><h3 id="Department_of_Fish,_Wildlife_and_Parks_regions"><span id="Department_of_Fish.2C_Wildlife_and_Parks_regions"></span>Department of Fish, Wildlife and Parks regions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=4" title="Edit section: Department of Fish, Wildlife and Parks regions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Montana_Department_of_Fish,_Wildlife_and_Parks" title="Montana Department of Fish, Wildlife and Parks">Montana Department of Fish, Wildlife and Parks</a> has designated seven administrative regions for the purposes of fish, wildlife and parks management.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <ul><li>Region 1, Northwest Montana, (<a href="/wiki/Kalispell,_Montana" title="Kalispell, Montana">Kalispell, Montana</a>), includes <a href="/wiki/Flathead_Lake" title="Flathead Lake">Flathead Lake</a><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup></li> <li>Region 2, West Central Montana, (<a href="/wiki/Missoula,_Montana" title="Missoula, Montana">Missoula, Montana</a>), includes the <a href="/wiki/Clark_Fork_(river)" class="mw-redirect" title="Clark Fork (river)">Clark Fork</a>, <a href="/wiki/Blackfoot_River_(Montana)" title="Blackfoot River (Montana)">Blackfoot</a> and <a href="/wiki/Bitterroot_River" title="Bitterroot River">Bitterroot</a> rivers.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup></li> <li>Region 3, Southwest Montana, (<a href="/wiki/Bozeman,_Montana" title="Bozeman, Montana">Bozeman, Montana</a>), includes the <a href="/wiki/Madison_River" title="Madison River">Madison</a>, <a href="/wiki/Gallatin_River" title="Gallatin River">Gallatin</a>, <a href="/wiki/Jefferson_River" title="Jefferson River">Jefferson</a>, <a href="/wiki/Missouri_River" title="Missouri River">upper Missouri</a>, <a href="/wiki/Yellowstone_River" title="Yellowstone River">upper Yellowstone</a>, <a href="/wiki/Beaverhead_River" title="Beaverhead River">Beaverhead</a>, and <a href="/wiki/Big_Hole_River" title="Big Hole River">Big Hole</a> rivers.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup></li> <li>Region 4, North Central Montana, (<a href="/wiki/Great_Falls,_Montana" title="Great Falls, Montana">Great Falls, Montana</a>), includes the lower Missouri and <a href="/wiki/Smith_River_(Montana)" title="Smith River (Montana)">Smith</a> rivers.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup></li> <li>Region 5, South Central Montana, (<a href="/wiki/Billings,_Montana" title="Billings, Montana">Billings, Montana</a>), includes the <a href="/wiki/Yellowstone_River" title="Yellowstone River">Yellowstone</a>, <a href="/wiki/Stillwater_River_(Stillwater_County,_Montana)" title="Stillwater River (Stillwater County, Montana)">Stillwater</a>, <a href="/wiki/Bighorn_River" title="Bighorn River">Bighorn</a>, and <a href="/wiki/Boulder_River_(Sweet_Grass_County,_Montana)" title="Boulder River (Sweet Grass County, Montana)">Boulder</a> rivers.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup></li> <li>Region 6, North East Montana, (<a href="/wiki/Glasgow,_Montana" title="Glasgow, Montana">Glasgow, Montana</a>), includes <a href="/wiki/Fort_Peck_Dam" title="Fort Peck Dam">Fort Peck Reservoir</a> on the Missouri River.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup></li> <li>Region 7, South East Montana, (<a href="/wiki/Miles_City,_Montana" title="Miles City, Montana">Miles City, Montana</a>), includes the Missouri, Yellowstone and <a href="/wiki/Tongue_River_(Montana)" title="Tongue River (Montana)">Tongue</a> rivers.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Federal_government_regions">Federal government regions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=5" title="Edit section: Federal government regions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="U.S._Fish_and_Wildlife_Service">U.S. Fish and Wildlife Service</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=6" title="Edit section: U.S. Fish and Wildlife Service"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/U.S._Fish_and_Wildlife_Service" class="mw-redirect" title="U.S. Fish and Wildlife Service">U.S. Fish and Wildlife Service</a> includes Montana in the Mountain-Prairie region which includes <a href="/wiki/Colorado" title="Colorado">Colorado</a>, <a href="/wiki/Kansas" title="Kansas">Kansas</a>, <a href="/wiki/Nebraska" title="Nebraska">Nebraska</a>, <a href="/wiki/North_Dakota" title="North Dakota">North Dakota</a>, <a href="/wiki/South_Dakota" title="South Dakota">South Dakota</a>, <a href="/wiki/Utah" title="Utah">Utah</a>, and <a href="/wiki/Wyoming" title="Wyoming">Wyoming</a>.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Bureau_of_Indian_Affairs_agencies">Bureau of Indian Affairs agencies</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=7" title="Edit section: Bureau of Indian Affairs agencies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Montana east of the continental divide and Wyoming make up the Rocky Mountain Region of the <a href="/wiki/Bureau_of_Indian_Affairs" title="Bureau of Indian Affairs">Bureau of Indian Affairs</a> (BIA) which includes the following Indian agencies in Montana.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <ul><li>Blackfeet Agency, services the <a href="/wiki/Blackfeet_Indian_Reservation" class="mw-redirect" title="Blackfeet Indian Reservation">Blackfeet Indian Reservation</a> in <a href="/wiki/Glacier_County,_Montana" title="Glacier County, Montana">Glacier</a> and <a href="/wiki/Pondera_County,_Montana" title="Pondera County, Montana">Pondera</a> Counties.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup></li> <li>Crow Agency, services the <a href="/wiki/Crow_Indian_Reservation" title="Crow Indian Reservation">Crow Indian Reservation</a> in <a href="/wiki/Big_Horn_County,_Montana" title="Big Horn County, Montana">Big Horn</a>, <a href="/wiki/Yellowstone_County,_Montana" title="Yellowstone County, Montana">Yellowstone</a>, and <a href="/wiki/Treasure_County,_Montana" title="Treasure County, Montana">Treasure</a> counties.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup></li> <li>Fort Belknap Agency, services the <a href="/wiki/Fort_Belknap_Indian_Reservation" title="Fort Belknap Indian Reservation">Fort Belknap Indian Reservation</a> in <a href="/wiki/Blaine_County,_Montana" title="Blaine County, Montana">Blaine</a> and <a href="/wiki/Phillips_County,_Montana" title="Phillips County, Montana">Phillips</a> counties.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Fort_Peck_Agency" class="mw-redirect" title="Fort Peck Agency">Fort Peck Agency</a>, services the <a href="/wiki/Fort_Peck_Indian_Reservation" title="Fort Peck Indian Reservation">Fort Peck Indian Reservation</a> in <a href="/wiki/Roosevelt_County,_Montana" title="Roosevelt County, Montana">Roosevelt</a>, <a href="/wiki/Valley_County,_Montana" title="Valley County, Montana">Valley</a>, <a href="/wiki/Daniels_County,_Montana" title="Daniels County, Montana">Daniels</a>, and <a href="/wiki/Sheridan_County,_Montana" title="Sheridan County, Montana">Sheridan</a> counties.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> The agency administers off-reservation trust lands in Montana for the <a href="/wiki/Turtle_Mountain_Indian_Reservation" title="Turtle Mountain Indian Reservation">Turtle Mountain Indian Reservation</a>.</li> <li>Northern Cheyenne Agency, services the <a href="/wiki/Northern_Cheyenne_Indian_Reservation" title="Northern Cheyenne Indian Reservation">Northern Cheyenne Indian Reservation</a> in <a href="/wiki/Rosebud_County,_Montana" title="Rosebud County, Montana">Rosebud</a> and <a href="/wiki/Big_Horn_County,_Montana" title="Big Horn County, Montana">Big Horn</a> counties.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></li> <li>Rocky Boy's Agency, services the <a href="/wiki/Rocky_Boy_Indian_Reservation" class="mw-redirect" title="Rocky Boy Indian Reservation">Rocky Boy Indian Reservation</a> in <a href="/wiki/Hill_County,_Montana" title="Hill County, Montana">Hill</a> and <a href="/wiki/Chouteau_County,_Montana" title="Chouteau County, Montana">Chouteau County</a>.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup></li> <li>The Flathead Agency is in the BIA Northwest Region and services the <a href="/wiki/Flathead_Indian_Reservation" title="Flathead Indian Reservation">Flathead Indian Reservation</a> in <a href="/wiki/Lake_County,_Montana" title="Lake County, Montana">Lake</a>, <a href="/wiki/Sanders_County,_Montana" title="Sanders County, Montana">Sanders</a>, <a href="/wiki/Missoula_County,_Montana" title="Missoula County, Montana">Missoula</a>, and <a href="/wiki/Flathead_County,_Montana" title="Flathead County, Montana">Flathead</a> counties.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Bureau_of_Land_Management">Bureau of Land Management</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=8" title="Edit section: Bureau of Land Management"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Bureau_of_Land_Management" title="Bureau of Land Management">Bureau of Land Management</a> (BLM) includes Montana with North and South Dakota in its Montana-Dakotas region. The BLM administers Montana through nine regional field offices.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p> <ul><li>Billings office</li> <li>Butte office</li> <li>Dillon office</li> <li>Glasgow office</li> <li>Havre office</li> <li>Lewistown office</li> <li>Malta office</li> <li>Miles City office</li> <li>Missoula office</li></ul> <div class="mw-heading mw-heading3"><h3 id="National_Weather_Service">National Weather Service</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=9" title="Edit section: National Weather Service"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Montana is part of the Western Region of the <a href="/wiki/U.S._Department_of_Commerce" class="mw-redirect" title="U.S. Department of Commerce">U.S. Department of Commerce</a>, <a href="/wiki/National_Oceanic_and_Atmospheric_Administration" title="National Oceanic and Atmospheric Administration">National Oceanic and Atmospheric Administration</a>'s <a href="/wiki/National_Weather_Service" title="National Weather Service">National Weather Service</a> (NWS). The NWS maintains four regional offices in Montana.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <ul><li>Billings</li> <li>Glasgow</li> <li>Great Falls</li> <li>Missoula</li></ul> <p>The NWS designates regional weather reports originating from these offices as Southeastern Montana, Northeastern Montana, Central Montana and Western Montana/Central Idaho.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Social_Security_Administration">Social Security Administration</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=10" title="Edit section: Social Security Administration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Montana is included in the Denver Region of the <a href="/wiki/Social_Security_Administration" title="Social Security Administration">Social Security Administration</a> along with Colorado, North Dakota, South Dakota, Wyoming and Utah.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="U.S._Army_Corps_of_Engineers">U.S. Army Corps of Engineers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=11" title="Edit section: U.S. Army Corps of Engineers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Montana is included in the Omaha District of the <a href="/wiki/United_States_Army_Corps_of_Engineers" title="United States Army Corps of Engineers">U.S. Army Corps of Engineers</a> Northwestern Division.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Climate_regions">Climate regions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=12" title="Edit section: Climate regions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the <a href="/wiki/K%C3%B6ppen_climate_classification" title="Köppen climate classification">Köppen climate classification</a> system, Montana is predominantly a <a href="/wiki/BSk" class="mw-redirect" title="BSk">BSk</a> (Semi-arid or Steppe) climate, with the Mountainous areas, mostly in the western parts of the state, listed as Dfb (<a href="/wiki/Humid_continental_climate" title="Humid continental climate">humid continental</a>). Areas near <a href="/wiki/Granite_Peak" title="Granite Peak">Granite Peak</a> and the highest elevations in Glacier National Park are <a href="/wiki/K%C3%B6ppen_climate_classification#Group_D:_Continental/microthermal_climates" title="Köppen climate classification">Dfc</a> (<a href="/wiki/Subarctic_climate" title="Subarctic climate">Continental subarctic</a>), and a small area in the northwestern corner of the state near the Idaho border listed as <a href="/wiki/K%C3%B6ppen_climate_classification#Group_D:_Continental/microthermal_climates" title="Köppen climate classification">Dsb</a> (Warm summer continental).<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/United_States_Department_of_Agriculture" title="United States Department of Agriculture">United States Department of Agriculture</a> places most of Montana in <a href="/wiki/Hardiness_zone#USDA_hardiness_zones" title="Hardiness zone">Plant Hardiness Zones</a> 3 and 4, with limited areas in zone 5 with a small sliver of the state centered in Sanders County in zone 6. These zone boundaries correspond closely to the Köppen classifications.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> For purposes of the 2009 <a href="/wiki/International_Energy_Conservation_Code" title="International Energy Conservation Code">International Energy Conservation Code</a>, which provides minimum insulation standards for home construction based on climate, the entire state is classified in climate zone 6, requiring higher levels of insulation than are recommended in more temperate climates.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Regions_of_Montana&action=edit&section=13" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFVichorek1993" class="citation book cs1">Vichorek, Daniel N. (1993). <i>The Hi-Line, Profiles of a Montana Land</i>. Helena, Montana: American World and Geographic Publishing. p. 7. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-56037-021-1" title="Special:BookSources/1-56037-021-1"><bdi>1-56037-021-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Hi-Line%2C+Profiles+of+a+Montana+Land&rft.place=Helena%2C+Montana&rft.pages=7&rft.pub=American+World+and+Geographic+Publishing&rft.date=1993&rft.isbn=1-56037-021-1&rft.aulast=Vichorek&rft.aufirst=Daniel+N.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://americanprofile.com/articles/montanas-golden-triangle/">"Montana's Golden Triangle"</a>. <i>American Profile</i><span class="reference-accessdate">. Retrieved <span class="nowrap">7 January</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=American+Profile&rft.atitle=Montana%E2%80%99s+Golden+Triangle&rft_id=http%3A%2F%2Famericanprofile.com%2Farticles%2Fmontanas-golden-triangle%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRees2007" class="citation book cs1">Rees, Tony (2007). <i>Arc of the Medicine Line-Mapping the World's Longest Undefended Border Across the Western Plains</i>. Lincoln, NE: University of Nebraska Press. p. 5. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-8032-1791-1" title="Special:BookSources/978-0-8032-1791-1"><bdi>978-0-8032-1791-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Arc+of+the+Medicine+Line-Mapping+the+World%27s+Longest+Undefended+Border+Across+the+Western+Plains&rft.place=Lincoln%2C+NE&rft.pages=5&rft.pub=University+of+Nebraska+Press&rft.date=2007&rft.isbn=978-0-8032-1791-1&rft.aulast=Rees&rft.aufirst=Tony&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://visitmt.com/Places_To_Go/">"Montana Official Travel Site-Regions"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Montana+Official+Travel+Site-Regions&rft_id=http%3A%2F%2Fvisitmt.com%2FPlaces_To_Go%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://custer.visitmt.com/">"Custer Country, Montana"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Custer+Country%2C+Montana&rft_id=http%3A%2F%2Fcuster.visitmt.com%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.glaciermt.com/index.php">"Glacier Country, Montana"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Glacier+Country%2C+Montana&rft_id=http%3A%2F%2Fwww.glaciermt.com%2Findex.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://goldwest.visitmt.com/communities/">"Gold West Country Communities"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Gold+West+Country+Communities&rft_id=http%3A%2F%2Fgoldwest.visitmt.com%2Fcommunities%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://missouririver.visitmt.com/">"Montana's Missouri River Country"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Montana%27s+Missouri+River+Country&rft_id=http%3A%2F%2Fmissouririver.visitmt.com%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://russell.visitmt.com/specialinterest/areamap/">"Montana's Russell Country-Area Map"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Montana%27s+Russell+Country-Area+Map&rft_id=http%3A%2F%2Frussell.visitmt.com%2Fspecialinterest%2Fareamap%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120307234241/http://yellowstonecountry.net/MOTRegion.php">"Montana's Yellowstone Country-Map of Region"</a>. Archived from <a rel="nofollow" class="external text" href="http://yellowstonecountry.net/MOTRegion.php">the original</a> on 2012-03-07<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Montana%27s+Yellowstone+Country-Map+of+Region&rft_id=http%3A%2F%2Fyellowstonecountry.net%2FMOTRegion.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/">"Fish and Wildlife Regions"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-05-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Fish+and+Wildlife+Regions&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r1/">"FWP Region 1"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-05-31</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+1&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr1%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r2/">"FWP Region 2"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+2&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr2%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r3/">"FWP Region 3"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+3&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr3%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r4/">"FWP Region 4"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+4&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr4%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r5/">"FWP Region 5"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-10</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+5&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr5%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r6/">"FWP Region 6"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-10</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+6&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr6%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://fwp.mt.gov/regions/r7/">"FWP Region 7"</a>. Montana Fish, Wildlife and Parks<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-10</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=FWP+Region+7&rft.pub=Montana+Fish%2C+Wildlife+and+Parks&rft_id=http%3A%2F%2Ffwp.mt.gov%2Fregions%2Fr7%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fws.gov/mountain-prairie/">"Mountain-Prairie Region"</a>. U.S. Fish and Wildlife Service<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-05-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Mountain-Prairie+Region&rft.pub=U.S.+Fish+and+Wildlife+Service&rft_id=http%3A%2F%2Fwww.fws.gov%2Fmountain-prairie%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110228190612/http://www.bia.gov/groups/webteam/documents/interactiveresource/idc-002651.swf">"Indian Affairs-Rocky Mountain Region"</a>. U.S. Department of the Interior. Archived from <a rel="nofollow" class="external text" href="https://www.bia.gov/groups/webteam/documents/interactiveresource/idc-002651.swf">the original</a> on 2011-02-28<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-05-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Indian+Affairs-Rocky+Mountain+Region&rft.pub=U.S.+Department+of+the+Interior&rft_id=http%3A%2F%2Fwww.bia.gov%2Fgroups%2Fwebteam%2Fdocuments%2Finteractiveresource%2Fidc-002651.swf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bia.gov/WhoWeAre/RegionalOffices/RockyMountain/WeAre/Blackfeet/index.htm">"Blackfeet Agency"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Blackfeet+Agency&rft_id=http%3A%2F%2Fwww.bia.gov%2FWhoWeAre%2FRegionalOffices%2FRockyMountain%2FWeAre%2FBlackfeet%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bia.gov/WhoWeAre/RegionalOffices/RockyMountain/WeAre/Crow/index.htm">"Crow Agency"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Crow+Agency&rft_id=http%3A%2F%2Fwww.bia.gov%2FWhoWeAre%2FRegionalOffices%2FRockyMountain%2FWeAre%2FCrow%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bia.gov/WhoWeAre/RegionalOffices/RockyMountain/WeAre/FortBelknap/index.htm">"Fort Belknap Agency"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Fort+Belknap+Agency&rft_id=http%3A%2F%2Fwww.bia.gov%2FWhoWeAre%2FRegionalOffices%2FRockyMountain%2FWeAre%2FFortBelknap%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bia.gov/WhoWeAre/RegionalOffices/RockyMountain/WeAre/FortPeck/index.htm">"Fort Peck Agency"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Fort+Peck+Agency&rft_id=http%3A%2F%2Fwww.bia.gov%2FWhoWeAre%2FRegionalOffices%2FRockyMountain%2FWeAre%2FFortPeck%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bia.gov/WhoWeAre/RegionalOffices/RockyMountain/WeAre/NorthernCheyenne/index.htm">"Northern Cheyenne Agency"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Northern+Cheyenne+Agency&rft_id=http%3A%2F%2Fwww.bia.gov%2FWhoWeAre%2FRegionalOffices%2FRockyMountain%2FWeAre%2FNorthernCheyenne%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bia.gov/WhoWeAre/RegionalOffices/RockyMountain/WeAre/RockyBoys/index.htm">"Rocky Boy's Agency"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Rocky+Boy%27s+Agency&rft_id=http%3A%2F%2Fwww.bia.gov%2FWhoWeAre%2FRegionalOffices%2FRockyMountain%2FWeAre%2FRockyBoys%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.blm.gov/mt/st/en.html">"Montana-Dakotas"</a>. U.S. Department of Interior<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-05-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Montana-Dakotas&rft.pub=U.S.+Department+of+Interior&rft_id=http%3A%2F%2Fwww.blm.gov%2Fmt%2Fst%2Fen.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.weather.gov/organization.php">"NOAA NWS Offices and Centers"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NOAA+NWS+Offices+and+Centers&rft_id=http%3A%2F%2Fwww.weather.gov%2Forganization.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.nws.noaa.gov/outlook_tab.php">"National Maps - NOAA's National Weather Service"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">7 January</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=National+Maps+-+NOAA%27s+National+Weather+Service&rft_id=http%3A%2F%2Fwww.nws.noaa.gov%2Foutlook_tab.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.socialsecurity.gov/denver/">"Denver Region"</a>. Social Security Administration<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Denver+Region&rft.pub=Social+Security+Administration&rft_id=http%3A%2F%2Fwww.socialsecurity.gov%2Fdenver%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120113050045/http://www.nwd.usace.army.mil/home.asp">"U.S. Army Corps of Engineers-Northwestern Division"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.nwd.usace.army.mil/home.asp">the original</a> on 2012-01-13<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=U.S.+Army+Corps+of+Engineers-Northwestern+Division&rft_id=http%3A%2F%2Fwww.nwd.usace.army.mil%2Fhome.asp&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-32">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://koeppen-geiger.vu-wien.ac.at/usa.htm">"World Maps of Köppen-Geiger climate classification"</a>. <i>koeppen-geiger.vu-wien.ac.at</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=koeppen-geiger.vu-wien.ac.at&rft.atitle=World+Maps+of+K%C3%B6ppen-Geiger+climate+classification&rft_id=http%3A%2F%2Fkoeppen-geiger.vu-wien.ac.at%2Fusa.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-33">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://planthardiness.ars.usda.gov/PHZMWeb/">"USDA Plant Hardiness Zone Map"</a>. <i>planthardiness.ars.usda.gov</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=planthardiness.ars.usda.gov&rft.atitle=USDA+Plant+Hardiness+Zone+Map&rft_id=http%3A%2F%2Fplanthardiness.ars.usda.gov%2FPHZMWeb%2F%23&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://energycode.pnl.gov/EnergyCodeReqs/?state=Montana">"2009 IECC Climate Zone Map - Montana"</a>. <i>energycode.pnl.gov</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=energycode.pnl.gov&rft.atitle=2009+IECC+Climate+Zone+Map+-+Montana&rft_id=https%3A%2F%2Fenergycode.pnl.gov%2FEnergyCodeReqs%2F%3Fstate%3DMontana&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARegions+of+Montana" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output 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aria-labelledby="State_of_Montana" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Montana" title="Template:Montana"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Montana" title="Template talk:Montana"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Montana" title="Special:EditPage/Template:Montana"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="State_of_Montana" style="font-size:114%;margin:0 4em"><a href="/wiki/U.S._state" title="U.S. state">State</a> of <a href="/wiki/Montana" title="Montana">Montana</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div><b><a href="/wiki/Helena,_Montana" title="Helena, Montana">Helena</a></b> (capital)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Outline_of_Montana" title="Outline of Montana">Topics</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Index_of_Montana-related_articles" title="Index of Montana-related articles">Index</a></li> <li><a href="/wiki/Climate_change_in_Montana" title="Climate change in Montana">Climate change</a></li> <li><a href="/wiki/United_States_congressional_delegations_from_Montana" title="United States congressional delegations from Montana">Congressional delegations</a></li> <li><a href="/wiki/Montana#Geography" title="Montana">Geography</a></li> <li><a href="/wiki/Montana_State_Government" title="Montana State Government">Government</a></li> <li><a href="/wiki/List_of_governors_of_Montana" title="List of governors of Montana">Governors</a></li> <li><a href="/wiki/History_of_Montana" title="History of Montana">History</a> <ul><li><a href="/wiki/Bibliography_of_Montana_history" title="Bibliography of Montana history">bibliography</a></li></ul></li> <li><a href="/wiki/List_of_people_from_Montana" title="List of people from Montana">People</a></li> <li><a href="/wiki/List_of_Montana_state_parks" title="List of Montana state parks">Protected areas</a></li> <li><a href="/wiki/Montana#Sports" title="Montana">Sports</a></li> <li><a href="/wiki/List_of_Montana_state_symbols" title="List of Montana state symbols">State symbols</a> <ul><li><a href="/wiki/The_Last_Best_Place" title="The Last Best Place">The Last Best Place</a></li></ul></li> <li><a href="/wiki/Transportation_in_Montana" title="Transportation in Montana">Transportation</a></li> <li><a href="/wiki/Category:Tourist_attractions_in_Montana" title="Category:Tourist attractions in Montana">Tourist attractions</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Society</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abortion_in_Montana" title="Abortion in Montana">Abortion</a></li> <li><a href="/wiki/Cannabis_in_Montana" title="Cannabis in Montana">Cannabis</a></li> <li><a href="/wiki/Crime_in_Montana" title="Crime in Montana">Crime</a></li> <li><a href="/wiki/Montana#Culture" title="Montana">Culture</a></li> <li><a href="/wiki/Montana#Demographics" title="Montana">Demographics</a></li> <li><a href="/wiki/Montana#Economy" title="Montana">Economy</a></li> <li><a href="/wiki/Montana#Education" title="Montana">Education</a></li> <li><a href="/wiki/Gun_laws_in_Montana" title="Gun laws in Montana">Gun laws</a></li> <li><a href="/wiki/Montana#Politics" title="Montana">Politics</a></li> <li><a href="/wiki/LGBT_rights_in_Montana" class="mw-redirect" title="LGBT rights in Montana">LGBT rights</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_regions_of_the_United_States#Montana" title="List of regions of the United States">Regions</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Eastern_Montana" title="Eastern Montana">Eastern Montana</a></li> <li><a href="/wiki/The_Flathead" class="mw-redirect" title="The Flathead">The Flathead</a></li> <li><a href="/wiki/Glacier_National_Park_(U.S.)" title="Glacier National Park (U.S.)">Glacier National Park</a></li> <li><a href="/wiki/Regional_designations_of_Montana" class="mw-redirect" title="Regional designations of Montana">Regional designations of Montana</a></li> <li><a href="/wiki/Western_Montana" title="Western Montana">Western Montana</a></li> <li><a href="/wiki/Yellowstone_National_Park" title="Yellowstone National Park">Yellowstone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_cities_and_towns_in_Montana" class="mw-redirect" title="List of cities and towns in Montana">Largest cities</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anaconda,_Montana" title="Anaconda, Montana">Anaconda</a></li> <li><a href="/wiki/Belgrade,_Montana" title="Belgrade, Montana">Belgrade</a></li> <li><a href="/wiki/Billings,_Montana" title="Billings, Montana">Billings</a></li> <li><a href="/wiki/Bozeman,_Montana" title="Bozeman, Montana">Bozeman</a></li> <li><a href="/wiki/Butte,_Montana" title="Butte, Montana">Butte</a></li> <li><a href="/wiki/Columbia_Falls,_Montana" title="Columbia Falls, Montana">Columbia Falls</a></li> <li><a href="/wiki/Dillon,_Montana" title="Dillon, Montana">Dillon</a></li> <li><a href="/wiki/Glendive,_Montana" title="Glendive, Montana">Glendive</a></li> <li><a href="/wiki/Great_Falls,_Montana" title="Great Falls, Montana">Great Falls</a></li> <li><a href="/wiki/Hamilton,_Montana" title="Hamilton, Montana">Hamilton</a></li> <li><a href="/wiki/Havre,_Montana" title="Havre, Montana">Havre</a></li> <li><a href="/wiki/Helena,_Montana" title="Helena, Montana">Helena</a></li> <li><a href="/wiki/Kalispell,_Montana" title="Kalispell, Montana">Kalispell</a></li> <li><a href="/wiki/Laurel,_Montana" title="Laurel, Montana">Laurel</a></li> <li><a href="/wiki/Lewistown,_Montana" title="Lewistown, Montana">Lewistown</a></li> <li><a href="/wiki/Livingston,_Montana" title="Livingston, Montana">Livingston</a></li> <li><a href="/wiki/Miles_City,_Montana" title="Miles City, Montana">Miles City</a></li> <li><a href="/wiki/Missoula,_Montana" title="Missoula, Montana">Missoula</a></li> <li><a href="/wiki/Polson,_Montana" title="Polson, Montana">Polson</a></li> <li><a href="/wiki/Sidney,_Montana" title="Sidney, Montana">Sidney</a></li> <li><a href="/wiki/Whitefish,_Montana" title="Whitefish, Montana">Whitefish</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_counties_in_Montana" title="List of counties in Montana">Counties</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Beaverhead_County,_Montana" title="Beaverhead County, Montana">Beaverhead</a></li> <li><a href="/wiki/Big_Horn_County,_Montana" title="Big Horn County, Montana">Big Horn</a></li> <li><a href="/wiki/Blaine_County,_Montana" title="Blaine County, Montana">Blaine</a></li> <li><a href="/wiki/Broadwater_County,_Montana" title="Broadwater County, Montana">Broadwater</a></li> <li><a href="/wiki/Carbon_County,_Montana" title="Carbon County, Montana">Carbon</a></li> <li><a href="/wiki/Carter_County,_Montana" title="Carter County, Montana">Carter</a></li> <li><a href="/wiki/Cascade_County,_Montana" title="Cascade County, Montana">Cascade</a></li> <li><a href="/wiki/Chouteau_County,_Montana" title="Chouteau County, Montana">Chouteau</a></li> <li><a href="/wiki/Custer_County,_Montana" title="Custer County, Montana">Custer</a></li> <li><a href="/wiki/Daniels_County,_Montana" title="Daniels County, Montana">Daniels</a></li> <li><a href="/wiki/Dawson_County,_Montana" title="Dawson County, Montana">Dawson</a></li> <li><a href="/wiki/Deer_Lodge_County,_Montana" title="Deer Lodge County, Montana">Deer Lodge</a></li> <li><a href="/wiki/Fallon_County,_Montana" title="Fallon County, Montana">Fallon</a></li> <li><a href="/wiki/Fergus_County,_Montana" title="Fergus County, Montana">Fergus</a></li> <li><a href="/wiki/Flathead_County,_Montana" title="Flathead County, Montana">Flathead</a></li> <li><a href="/wiki/Gallatin_County,_Montana" title="Gallatin County, Montana">Gallatin</a></li> <li><a href="/wiki/Garfield_County,_Montana" title="Garfield County, Montana">Garfield</a></li> <li><a href="/wiki/Glacier_County,_Montana" title="Glacier County, Montana">Glacier</a></li> <li><a href="/wiki/Golden_Valley_County,_Montana" title="Golden Valley County, Montana">Golden Valley</a></li> <li><a href="/wiki/Granite_County,_Montana" title="Granite County, Montana">Granite</a></li> <li><a href="/wiki/Hill_County,_Montana" title="Hill County, Montana">Hill</a></li> <li><a href="/wiki/Jefferson_County,_Montana" title="Jefferson County, Montana">Jefferson</a></li> <li><a href="/wiki/Judith_Basin_County,_Montana" title="Judith Basin County, Montana">Judith Basin</a></li> <li><a href="/wiki/Lake_County,_Montana" title="Lake County, Montana">Lake</a></li> <li><a href="/wiki/Lewis_and_Clark_County,_Montana" title="Lewis and Clark County, Montana">Lewis and Clark</a></li> <li><a href="/wiki/Liberty_County,_Montana" title="Liberty County, Montana">Liberty</a></li> <li><a href="/wiki/Lincoln_County,_Montana" title="Lincoln County, Montana">Lincoln</a></li> <li><a href="/wiki/Madison_County,_Montana" title="Madison County, Montana">Madison</a></li> <li><a href="/wiki/McCone_County,_Montana" title="McCone County, Montana">McCone</a></li> <li><a href="/wiki/Meagher_County,_Montana" title="Meagher County, Montana">Meagher</a></li> <li><a href="/wiki/Mineral_County,_Montana" title="Mineral County, Montana">Mineral</a></li> <li><a href="/wiki/Missoula_County,_Montana" title="Missoula County, Montana">Missoula</a></li> <li><a href="/wiki/Musselshell_County,_Montana" title="Musselshell County, Montana">Musselshell</a></li> <li><a href="/wiki/Park_County,_Montana" title="Park County, Montana">Park</a></li> <li><a href="/wiki/Petroleum_County,_Montana" title="Petroleum County, Montana">Petroleum</a></li> <li><a href="/wiki/Phillips_County,_Montana" title="Phillips County, Montana">Phillips</a></li> <li><a href="/wiki/Pondera_County,_Montana" title="Pondera County, Montana">Pondera</a></li> <li><a href="/wiki/Powder_River_County,_Montana" title="Powder River County, Montana">Powder River</a></li> <li><a href="/wiki/Powell_County,_Montana" title="Powell County, Montana">Powell</a></li> <li><a href="/wiki/Prairie_County,_Montana" title="Prairie County, Montana">Prairie</a></li> <li><a href="/wiki/Ravalli_County,_Montana" title="Ravalli County, Montana">Ravalli</a></li> <li><a href="/wiki/Richland_County,_Montana" title="Richland County, Montana">Richland</a></li> <li><a href="/wiki/Roosevelt_County,_Montana" title="Roosevelt County, Montana">Roosevelt</a></li> <li><a href="/wiki/Rosebud_County,_Montana" title="Rosebud County, Montana">Rosebud</a></li> <li><a href="/wiki/Sanders_County,_Montana" title="Sanders County, Montana">Sanders</a></li> <li><a href="/wiki/Sheridan_County,_Montana" title="Sheridan County, Montana">Sheridan</a></li> <li><a href="/wiki/Silver_Bow_County,_Montana" title="Silver Bow County, Montana">Silver Bow</a></li> <li><a href="/wiki/Stillwater_County,_Montana" title="Stillwater County, Montana">Stillwater</a></li> <li><a href="/wiki/Sweet_Grass_County,_Montana" title="Sweet Grass County, Montana">Sweet Grass</a></li> <li><a href="/wiki/Teton_County,_Montana" title="Teton County, Montana">Teton</a></li> <li><a href="/wiki/Toole_County,_Montana" title="Toole County, Montana">Toole</a></li> <li><a href="/wiki/Treasure_County,_Montana" title="Treasure County, Montana">Treasure</a></li> <li><a href="/wiki/Valley_County,_Montana" title="Valley County, Montana">Valley</a></li> <li><a href="/wiki/Wheatland_County,_Montana" title="Wheatland County, Montana">Wheatland</a></li> <li><a href="/wiki/Wibaux_County,_Montana" title="Wibaux County, Montana">Wibaux</a></li> <li><a href="/wiki/Yellowstone_County,_Montana" title="Yellowstone County, Montana">Yellowstone</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><b><span class="nowrap"><span class="mw-image-border noviewer" typeof="mw:File"><span><img alt="flag" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Flag_of_Montana.svg/32px-Flag_of_Montana.svg.png" decoding="async" width="32" height="21" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Flag_of_Montana.svg/48px-Flag_of_Montana.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Flag_of_Montana.svg/64px-Flag_of_Montana.svg.png 2x" data-file-width="768" data-file-height="512" /></span></span> </span><a href="/wiki/Portal:Montana" title="Portal:Montana">Montana portal</a></b></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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