Philadelphia. Department of City Transit
Mosaic composed of aerial photographs, port of Philadelphia, Pa. : including Camden and Gloucester, N.J.
Photomap of southern Philadelphia and adjacent South-Jersey suburbs. "Reproduced by permission of the Regional Planning Federation of the Philadelphia Tri-State District, makers and copyright owners." LC copy has typewritten annotation in margin: From "The ports of Philadelphia, Pa., Camden and Gloucester, N.J.," Port series no. 4 (revised 1938). War Dept., Corps of Engineers, U.S. Army, and U.S. Maritime Commission. ... U.S. Government Printing Office,...
United States. Army. Corps of Engineers - Regional Planning Federation of the Philadelphia Tri-State District - United States. Maritime Commission