Citations are generated automatically from bibliographic data as
a convenience, and may not be complete or accurate.
Chicago citation style:
United States Army Map Service, Cartographer, and United States Army. Corps Of Engineers. Puerto Rico 1:25,000. [Washington, D.C.: Army Map Service, to 1957, 1949] Map. https://www.loc.gov/item/map55000730/.
APA citation style:
United States Army Map Service, C. & United States Army. Corps Of Engineers. (1949) Puerto Rico 1:25,000. [Washington, D.C.: Army Map Service, to 1957] [Map] Retrieved from the Library of Congress, https://www.loc.gov/item/map55000730/.
MLA citation style:
United States Army Map Service, Cartographer, and United States Army. Corps Of Engineers. Puerto Rico 1:25,000. [Washington, D.C.: Army Map Service, to 1957, 1949] Map. Retrieved from the Library of Congress, <www.loc.gov/item/map55000730/>.