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Letter from the Acting Secretary of War, transmitting, with a letter from the Chief of Engineers' report of the examination for locks and dams on the Ohio River in Pennsylvania
Survey of Ohio River for locks and dams in Pennsylvania
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Nov. 2006). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection