Map of the Ohio River
Subtitle: reduced from the following surveys:  1837-8, Lieut. Sanders, U.S. Eng'rs, Pittsburgh to Letart. 234 miles;  1844, C. A. Fuller, U.S. civ. eng'r, Letart to Clipper Mills, 37 miles;  1867-68, W. M. Roberts, U.S. civ. eng'r, Clipper Mills to Cairo, 696 miles.  With additions & corrections from later surveys.
By: Made under the direction of Major W. E. Merrill, Corps of Engineers, by C. Moser
Place of publication: [Washington?
Language: eng
Number of pages: 75
Subjects: Ohio River -- Maps
Genres: Maps
Notes: Original scale note (3 inches=1 mile) on t.p. covered by label:  Scale 1-1/3 inches=1 mile

Maps in pocket:  Ohio River at Cincinnati by U.S. Engineer, scale 1 inch=1000 ft.;  Falls of the Ohio, hand traced from undesignated source