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  2. Ohio River - Wikipedia

    en.wikipedia.org/wiki/Ohio_River

    The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [1] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.

  3. List of principal and guide meridians and base lines of the ...

    en.wikipedia.org/wiki/List_of_principal_and...

    Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.

  4. List of locks and dams of the Ohio River - Wikipedia

    en.wikipedia.org/wiki/List_of_locks_and_dams_of...

    This is a list of locks and dams of the Ohio River, which begins at the confluence of the Allegheny and Monongahela rivers at The Point in Pittsburgh, Pennsylvania and ends at the confluence of the Ohio River and the Mississippi River, in Cairo, Illinois. A map and diagram of U.S. Army Corps of Engineers operated locks and dams on the Ohio River.

  5. Digital mapping of Ohio River is under way - AOL

    www.aol.com/news/digital-mapping-ohio-river...

    A specially designed boat with a 14-foot high camera tower will travel 260 river miles, capturing images of the Ohio River and its riverside communities. ... Digital mapping of Ohio River is under way

  6. List of crossings of the Ohio River - Wikipedia

    en.wikipedia.org/wiki/List_of_crossings_of_the...

    Ohio River Troy Township and Skillman: 1966 Matthew E. Welsh Bridge: ... Map all coordinates using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates)

  7. Ohio's longest rivers flow for hundreds of miles. See ... - AOL

    www.aol.com/ohios-longest-rivers-flow-hundreds...

    This 503-mile river flows from Ohio to Indiana, and ends in Illinois, draining into the Ohio River, making it the largest northern tributary of Ohio's namesake river. 3. Scioto River—231 miles

  8. Raccoon Island (Ohio) - Wikipedia

    en.wikipedia.org/wiki/Raccoon_Island_(Ohio)

    According to a United States Geological Survey topographical map from 1906, Raccoon Island measured approximately a third of a mile in length and about five hundred feet in width. It was situated closer to the Ohio side of the river than the West Virginia side.

  9. Ohio water resource region - Wikipedia

    en.wikipedia.org/wiki/Ohio_Water_Resource_Region

    The Ohio water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units. These geographic areas contain either the drainage area of a major river, or the combined drainage ...