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<div class="entity entity-paragraphs-item paragraphs-item-uaqs-content-chunks-marquee mb-4 "> <div class="content"> <section id="home-banner"> <div id="file-53" class="file file-image file-image-jpeg view-mode-default"> <h2 class="element-invisible sr-only"><a href="/file/53">PANO_20190911_125037.vr_.jpg</a></h2> <div class="content"> <figure><img typeof="foaf:Image" src="https://collection.ltrr.arizona.edu/sites/default/files/PANO_20200108_151027.vr%20%281%29.jpg" width="2747" height="1338" alt="Basement repository" title="Basement repository" /></figure> </div> </div></section><div class="col-sm-10 col-sm-offset-1"><section class="banner-text-grid text-center bg-trans-white"><div class="row"><h2 class="sans blue60b text-center"> Welcome to the LTRR Collection</h2> <p>The LTRR is home to the world's largest and most diverse collection of tree-ring specimens. 聽Housed in the dedicated Tree-Ring Archive Building adjoining the Bryant Bannister Tree-Ring Building, the repository has two environmentally controlled floors containing 4.4km of shelving as well as a separate curation work area.聽 The repository is the only federally recognized facility for the storage of tree-ring specimens, and contains many samples from federally protected lands.聽</p> <p>Prior to moving in to our current facilities in 2012, the LTRR specimens were housed in various 'temporary' facilities - primarily under the UA Stadium.聽 The task of cataloging and moving specimens collected over the past 80 years is well under way but a great deal of work is still to be done.聽 Funding from the <a>Department of the Interior</a>, <a>National Park Service</a>, <a>National Science Foundation</a>, <a>Institute of Museum and Library Services</a>, <a>National Endowment for the Humanities</a> is continuing to support this enormous task.聽</p> </div></section></div> </div> </div> </div> </div> </div> </div> <div class="entity entity-paragraphs-item paragraphs-item-uaqs-full-width-bg-wrapper mb-4 background-wrapper bg-midnight bg-triangles-centered"> <div class="container"> <div class="row"> <div class="col-sm-12"> <p><a>Query the collection</a></p> </div> </div> </div> </div> <div class="container container-collapsed"> <div class="row"> <div class="column col-sm-12"> <div> <div class="entity entity-paragraphs-item paragraphs-item-uaqs-card-deck mb-4 default"> <div class="content"> <div class="card-deck-wrapper"><div class="card-deck"> <div class="card"><div class="card-header"><div class="card-title"> <h4 class="card-title">Curation Team</h4> </div></div> <img typeof="foaf:Image" src="https://collection.ltrr.arizona.edu/sites/default/files/styles/uaqs_card_image/public/20190522_120259.jpg?itok=2URbU5_Z" width="568" height="426" alt="" /><div class="card-block"><p class="card-text"> <p>The Curation program currently consists of around 20 staff and student workers.</p> </p> <a href="https://collection.ltrr.arizona.edu/people" class="card-link">People</a></div></div> <div class="card"><div class="card-header"><div class="card-title"> <h4 class="card-title">Using the Collection</h4> </div></div> <img typeof="foaf:Image" src="https://collection.ltrr.arizona.edu/sites/default/files/styles/uaqs_card_image/public/00100lPORTRAIT_00100_BURST20190911124122819_COVER.jpg?itok=v3CdA6DE" width="568" height="426" alt="" /><div class="card-block"><p class="card-text"> <p>Find out about using samples from the LTRR collection.</p> </p> <a href="https://collection.ltrr.arizona.edu/loans" class="card-link">Loans</a></div></div> <div class="card"><div class="card-header"><div class="card-title"> <h4 class="card-title">Archiving Samples</h4> </div></div> <img typeof="foaf:Image" src="https://collection.ltrr.arizona.edu/sites/default/files/styles/uaqs_card_image/public/00100lPORTRAIT_00100_BURST20190911124524492_COVER.jpg?itok=FjFc9SoI" width="568" height="426" alt="" /><div class="card-block"><p class="card-text"> <p>Find out more about archiving samples in the LTRR repository.</p> </p> <a href="https://collection.ltrr.arizona.edu/archiving" class="card-link">Archiving</a></div></div></div></div> </div> </div> </div> </div> </div> </div> </div>   <button id="js-ua-zen-back-to-top" role="button" aria-label="Return to the top of this page." class="ua-zen-back-to-top btn btn-primary"><span class="sr-only">Return to the top of this page.</span> <i class="ua-brand-up-arrow"></i> </button> <footer id="footer_site" class="page page-row" role="contentinfo"> <div class="region region-footer"> <div class="container"> <div class="row"> <div class="page-row-padding-top page-row-padding-bottom"></div> <div class="page-row-padding-top page-row-padding-bottom"></div> <div class="col-xs-12 col-sm-5 col-md-4 col-lg-4 text-center-xs text-left-not-xs"> <div class="row bottom-buffer-30"> <div class="col-xs-12"> <a href="https://ltrr.arizona.edu" title="LTRR Collection | Home" class="remove-external-link-icon"><img 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