Company D, 21st Engineers
Collection of Sharon L. Stone (née McCrady), granddaughter of Leland M. McCrady, Co. "D" 21st Engineers
<a rel="nofollow" class="external text" href="https://web.archive.org/web/20051031043038/http://www.worldwar1.com/dbc/ltrail.htm">Company D, 21st Engineers</a>