Delaware River, Pa. and N.J. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Review of Reports Heretofore Submitted on Delaware River, Pa., and N.J [electronic resource].
- [S.l] : [publisher not identified], 1933.
- Government document
1 online resource (24 pages) : digital, PDF file
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