Author: Confederate States of America. Army of Northern Virginia. Corps, 2nd. Engineer Office Source:Library of Congress - Maps Usage Rights: Publication Date: 186? View Map
Author: Campbell, Albert H. (Albert Henry) - Gilmer, Jeremy Francis - Campbell, Albert H. Source:Library of Congress - Maps Usage Rights: Publication Date: 1862 View Map
Author: United States. Army. Corps of Topographical Engineers - McClellan, Carswell - Dorr, F. W. - Bowen, Nicolas Source:Library of Congress - Maps Usage Rights: Publication Date: 186? View Map