Alexander, SamuelUnited States. Army. Corps of EngineersRelief shown by hachures. 1 map: mounted on cloth; 48 x 71 cmJPEGab6285b1-50a3-4552-85d1-cbfe684e734cengPublic[Culpeper County, Virginia] It was made from horseback surveys by the writer ... S. Alexander.MapsVirginia--Culpeper CountyVirginia1862?University of Michigan