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class="TopOutPane"><div class="DnnModule DnnModule-DNN_HTML DnnModule-22236 DnnVersionableControl"><a name="22236"></a><div id="dnn_ctr22236_ContentPane"><!-- Start_Module_22236 --><div id="dnn_ctr22236_ModuleContent" class="DNNModuleContent ModDNNHTMLC"> <div id="dnn_ctr22236_HtmlModule_lblContent"><!-- Begin module header wrapper code --> <style> .Explorer .aapg-info-popover, .Explorer .aapg-date-location , .Sponsored .aapg-info-popover, .Sponsored .aapg-date-location { display: none; } </style> <div class="row"> <!-- End module header wrapper code --> <!-- Begin module body wrapper code --> <!-- <div class="--> <div style="position: relative;" class=" PFID-68488 col-sm-3 aapg-floating-box Explorer Article 1plus4 Rotation animation animation_item scaleUp delay1 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68488/a-geoscientists-perspective-on-colombias-energy-sector?utm_medium=website&utm_source=2" target="_self"> <span class="ContentTypeName vertical"> Article</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/a-geoscientists-perspective-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/a-geoscientists-perspective-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">A Geoscientist's Perspective on Colombia's E...</h3> <p class="aapg-summary">Last year was a momentous one for Colombia’s energy s... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- <div class="--> <div style="position: relative;" class=" PFID-68487 col-sm-3 aapg-floating-box Explorer Article 1plus4 Rotation animation animation_item scaleUp delay2 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68487/oil-and-gas-exploration-is-thriving-and-making-money?utm_medium=website&utm_source=2" target="_self"> <span class="ContentTypeName vertical"> Article</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/oil-and-gas-exploration-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/oil-and-gas-exploration-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Oil and Gas Exploration is 'Thriving and Mak...</h3> <p class="aapg-summary">Round up the usual suspects in global exploration and they ... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- End module body wrapper code --> <!-- Begin module footer wrapper code --> <!-- </div>--> <!-- <div>DaysLimit = 10000</div> <div>Mode = list</div> <div>numberperrow = 4</div> --> </div> <!-- End mode empty --> <nav class="article_paging" itemscope itemtype="http://schema.org/SiteNavigationElement"> </nav> <script defer src="//www.aapg.org/js/custom-js/jquery.matchHeight-min.js" type="text/javascript"></script> <script> $(document).ready(function(){ //$(".col-sm-3.aapg-floating-box .photo_box").matchHeight(); //$(".col-sm-4.aapg-floating-box .photo_box").matchHeight(); $(".col-sm-3.aapg-floating-box .photo_box, .col-sm-4.aapg-floating-box .photo_box").matchHeight(); }); </script> <!-- End module footer wrapper code --></div> </div><!-- End_Module_22236 --></div> </div></div> </div> </div> </div> <section id="dnn_content"> <div id="dnn_Full_Screen_PaneA" class="Full_Screen_PaneA DNNEmptyPane"></div> <div class="dnn_layout"> <div class="content_mid clearfix"> <div class="pane_layout"> <div class="row"> <div class="col-sm-12"> <div id="dnn_TopPane" class="TopPane DNNEmptyPane"></div> </div> </div> </div> </div> </div> <div id="dnn_Full_Screen_PaneB" class="Full_Screen_PaneB DNNEmptyPane"></div> <div class="dnn_layout"> <div class="content_mid clearfix"> <div class="pane_layout"> <div class="row"> <div class="col-sm-3"> <div id="dnn_RowOne_Grid3_Pane" class="RowOne_Grid3_Pane DNNEmptyPane"></div> </div> <div class="col-sm-9"> <div id="dnn_RowOne_Grid9_Pane" class="RowOne_Grid9_Pane DNNEmptyPane"></div> </div> </div> <div class="row"> <div class="col-sm-4"> <div id="dnn_RowTwo_Grid4_Pane" 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Start_Module_22237 --><h2 class="divider">Extended Reading</h2><div id="dnn_ctr22237_ModuleContent" class="DNNModuleContent ModDNNHTMLC"> <div id="dnn_ctr22237_HtmlModule_lblContent"><!-- Begin module header wrapper code --> <style> .Explorer .aapg-info-popover, .Explorer .aapg-date-location , .Sponsored .aapg-info-popover, .Sponsored .aapg-date-location { display: none; } </style> <div class="row"> <!-- End module header wrapper code --> <!-- Begin module body wrapper code --> <!-- <div class="--> <div style="position: relative;" class=" PFID-68490 col-sm-4 aapg-floating-box Explorer Geophysical Corner 1plus4 Rotation animation animation_item scaleUp delay1 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68490/fences-and-fence-posts?utm_medium=website&utm_source=3" target="_self"> <span class="ContentTypeName vertical"> Geophysical Corner</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/fences-and-fence-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/fences-and-fence-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Fences and Fence Posts</h3> <p class="aapg-summary">Effective seismic interpretation requires understanding geologic boundary-defining attributes, which we can think of as fence ... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- <div class="--> <div style="position: relative;" class=" PFID-68489 col-sm-4 aapg-floating-box Explorer Historical Highlights 1plus4 Rotation animation animation_item scaleUp delay2 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68489/william-tudor-griswold-and-the-history-of-structure-contour-mapping?utm_medium=website&utm_source=3" target="_self"> <span class="ContentTypeName vertical"> Historical Highlights</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/william-tudor-griswold-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/william-tudor-griswold-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">William Tudor Griswold and the History of Structure Contour Mapping</h3> <p class="aapg-summary">In the year 1900, a man got off a train in Cadiz, in eastern Ohio, and hired a horse ... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- End module body wrapper code --> <!-- Begin module footer wrapper code --> <!-- </div>--> <!-- <div>DaysLimit = 10000</div> <div>Mode = other</div> <div>numberperrow = 3</div> --> </div> <!-- End mode empty --> <nav class="article_paging" itemscope itemtype="http://schema.org/SiteNavigationElement"> </nav> <script defer src="//www.aapg.org/js/custom-js/jquery.matchHeight-min.js" type="text/javascript"></script> <script> $(document).ready(function(){ //$(".col-sm-3.aapg-floating-box .photo_box").matchHeight(); //$(".col-sm-4.aapg-floating-box .photo_box").matchHeight(); $(".col-sm-3.aapg-floating-box .photo_box, .col-sm-4.aapg-floating-box .photo_box").matchHeight(); }); </script> <!-- End module footer wrapper code --> <!-- Begin module header wrapper code --> <style> .Explorer .aapg-info-popover, .Explorer .aapg-date-location , .Sponsored .aapg-info-popover, .Sponsored .aapg-date-location { display: none; } </style> <div class="row"> <!-- End module header wrapper code --> <!-- Begin module body wrapper code --> <!-- <div class="--> <div style="position: relative;" class=" PFID-68493 col-sm-4 aapg-floating-box Explorer Division Column DEG animation animation_item scaleUp delay1 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68493/what-is-the-deg-currently-working-on?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Division Column DEG</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/imhof-matthias.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/imhof-matthias.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">What is the DEG Currently Working On?</h3> <p class="aapg-summary">As you read this, two significant events organized by Division of Environmental Geosciences members will have recently conclud... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- <div class="--> <div style="position: relative;" class=" PFID-68498 col-sm-4 aapg-floating-box Explorer Article 1plus4 Rotation animation animation_item scaleUp delay2 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68498/geology-of-ireland?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Article</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/geology-of-ireland-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/geology-of-ireland-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Geology of Ireland</h3> <p class="aapg-summary">Fascinating terrain and good beer – an appealing combo for many a traveling geologist, or so I’m told. As luck, or perha... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- <div class="--> <div style="position: relative;" class=" PFID-68500 col-sm-4 aapg-floating-box Explorer President’s Column animation animation_item scaleUp delay3 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68500/back-to-kuala-lumpur?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> President’s Column</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/sacrey-deborah-large.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" > <!-- <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/sacrey-deborah-large.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both" >--> </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Back to Kuala Lumpur</h3> <p class="aapg-summary">Greetings, members. I know I promised more on the changes proposed in the House of Delegates, but our dear EXPLORER editor inf... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div> <!-- <div class="--> <div style="position: relative;" class=" PFID-68494 col-sm-4 aapg-floating-box Explorer Readers Forum animation animation_item scaleUp delay4 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68494/a-reflection-on-my-term-as-aapg-secretary?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Readers Forum</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" 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