Map of the Ohio River 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 …

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Map of the Ohio River and Part of the Mississippi Containing the Route from Pittsburgh to St. Louis and the Mines

Includes latitude readings at spots along the river and notes on the width of tributaries. This date is inferred.

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Map of the Ohio River from Fort Pitt Creator: Montrésor, John, 1736-1799 Date: [1776] Format: Maps/Atlases Manuscripts Location: Library of Congress Geography and Map Division Collection (local): Library of Congress Collection Subjects: Ohio River Valley--Maps, Manuscript--Early works to 1800 Places: Ohio River Extent:

Jul 29, 2023 · Ohio River Map: The Ohio River is the third largest river by discharge volume in the US. It is 981 (1,557 km) miles long and located at the Midwestern and southern boundaries of the US. Ohio River flows southwest from western Pennsylvania to the …

Congress tasked the Corps of Engineers with improving navigation on the Ohio River. Dedicated in 1885, Davis Island Lock and Dam, was the first of 53 Ohio River locks and dams, built over a 44 year period, descending from Pittsburgh to Cairo, Illinois.

A collection of scanned USGS 7.5 minute topographic maps of Ohio with a measure river mile index.