The relation of the Ohio River and its tributaries to transportation in the United States
Subtitle: being a study presented before the American Society of Civil Engineers at its annual meeting in Hotel Gibson, Cincinnati, Ohio, Wednesday, April 22, 1925
By: [by] Frank H. Alfred ...
Published: 1925
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 10
Subjects: Inland navigation; Navigation
Notes: Microfilm. New York, N.Y., Columbia University Libraries, 1997. 1 microfilm reel, 35 mm.