This a portion of a map made by the US military that shows the American Civil War battlefield near Dinwiddie Court House at the end of March 1865.
William H. Paine, Robert Know Sneden
This is a portion of an official map made in 1865 by Colonel William H. Paine, U.S. engineers.  The entire map can be found in the Library of Congress <a rel="nofollow" class="external text" href="https://www.loc.gov/item/gvhs01.vhs00189/">map</a>, and shows the  battlefield near Dinwiddie Court House.