Survey of Ohio River. Letter from the Secretary of War, transmitting, with letter of the Chief of Engineers, report of a survey of Ohio River from Marietta, Ohio, to Pittsburg, Pa [electronic resource].
Includes illustrations., Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Jan. 2007). Reuse except for individual research requires license from ProQuest, LLC., and AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
Electronic resource. [Bethesda, Md.]: ProQuest, 2004. (ProQuest U.S. Serial Set Digital Collection : no. 3807 H.doc.122).