United States. Army Map Service.. "Harlem quadrangle /." University of Georgia. Map and Government Information Library. 1948, https://dlg.usg.edu/record/dlg_topos_usgs15-harlem-1948#item.

United States. Army Map Service. (1948). Harlem quadrangle /. Retrieved from https://dlg.usg.edu/record/dlg_topos_usgs15-harlem-1948#item

United States. Army Map Service.. "Harlem quadrangle /." 1948. May 23, 2026. https://dlg.usg.edu/record/dlg_topos_usgs15-harlem-1948#item.