KILBURN - The Salt Lake Tribune News from The Salt Lake Tribune en-us (Webmaster) National soil collection may unlock mysteries <div class="hnews hentry item"> <h4><a class="url entry-title" href="">National soil collection may unlock mysteries</a></h4> <span class="author vcard"><span class="fn">By SCOTT SMITH</span></span> <span class="source-org vcard"><span class="org fn"> Associated Press</span></span> <h5><span class="updated" title="2014-03-29T22:24:07.255-06:00">Updated Mar 29, 2014 10:24PM MDT</span></h5> <div class ="entry-content">Fresno, Calif. • The government has been collecting dirt — lots of it. Clumps came from the Texas Panhandle, a shady grove in West Virginia, a picked-over corn field in Kansas and thousands of other places in the lower 48 states. A small army of researchers and university students lugging pick axes and shovels scattered across the country for three years to scoop samples into plastic bags from nearly 5,000 places. They marked the GPS coordinates, took photos and labeled each bag before mailing t...</div> <h5><a rel="item-license" href=""> Copyright 2013 The Salt Lake Tribune. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.</a></h5> </div> Sat, 29 Mar 2014 22:24:07 MDT