Citations are generated automatically from bibliographic data as
a convenience, and may not be complete or accurate.
Chicago citation style:
U.S. Army Engineer School, J. G Barnard, and United States Army. Corps Of Engineers. Index map for sheets, extract of military map of N.E. Virginia showing forts and roads: Washington D.C. metropolitan area. [Fort Humphreys, Va.: Reproduced by the Engineer School, 190-?, 1871] Map. https://aj.sunback.homes/item/88690556/.
APA citation style:
U.S. Army Engineer School, Barnard, J. G. & United States Army. Corps Of Engineers. (1871) Index map for sheets, extract of military map of N.E. Virginia showing forts and roads: Washington D.C. metropolitan area. [Fort Humphreys, Va.: Reproduced by the Engineer School, 190-?] [Map] Retrieved from the Library of Congress, https://aj.sunback.homes/item/88690556/.
MLA citation style:
U.S. Army Engineer School, J. G Barnard, and United States Army. Corps Of Engineers. Index map for sheets, extract of military map of N.E. Virginia showing forts and roads: Washington D.C. metropolitan area. [Fort Humphreys, Va.: Reproduced by the Engineer School, 190-?, 1871] Map. Retrieved from the Library of Congress, <aj.sunback.homes/item/88690556/>.