Youghiogheny River, Pennsylvania. Letter from the Acting Secretary of War, transmitting, with a letter from the Chief of Engineers, report of examination of Youghiogheny River to Connellsville, Pa. [electronic resource].
- Washington : [s.n.], 1907.
- Government document
11 p. : digital, PDF file.
- LexisNexis U.S. Serial Set Digital Collection
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