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, Washington: 1939. Available also through the Library of Congress Web site as a raster image.
United States. Army. Corps Of Engineers; Regional Planning Federation Of The Philadelphia Tri-State District; United States. Maritime Commission
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