1951. Index map of Delaware River - Philadelphia, Pa. to Trenton, N.J. from a survey of 1951.
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1940. Maps showing Delaware River harbor lines - Marcus Hook, P.A. to Philadelphia, P.A. - Resurveyed 1939 - In 6 sheets.
1978. Aerial photographic map of Big Timber Creek - Philadelphia in accordance with The Wetlands Act of 1970.
1977. Aerial photographic map of Eight Mile Point - Frankford in accordance with The Wetlands Act of 1970.
1978. Aerial photographic map of Franklin Bridge - Philadelphia in accordance with The Wetlands Act of 1970.
1978. Aerial photographic map of Gloucester City - Philadelphia in accordance with The Wetlands Act of 1970.
1978. Aerial photographic map of Kaighn Point - Philadelphia in accordance with The Wetlands Act of 1970.
1977. Aerial photographic map of Riverton - Frankford in accordance with The Wetlands Act of 1970.
1898. Map covers the area from Cooper Point to Fishers Point. Map depicts the water depths of the Philadelphia Harbor.