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Clay shed from the rising mountains, associated with the Taconic orogeny formed the shale units. The warm sea water created perfect conditions for abundant biological activity and the Cincinnatian Series is highly fossil-bearing, outcropping across much of southwest Ohio in river beds, hillsides and road cuts. Ohio's State Invertebrate Fossil ...
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.
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.
The Cincinnati River flows northeastward from the southwest corner of Ohio to Dayton, to join the Teays River. [3] At the time a divide existed between the preglacial Teays and the Miami watershed. Well records do not indicate a broad depression, which widens northward and is of sufficient size to have accommodated so large a stream as the ...
Stone fortification and mounds at the Devil's Backbone rock formation. Devil's Backbone is a rock formation and peninsula formed by the flow of Fourteen Mile Creek into the Ohio River, and is currently situated in Charlestown State Park near Charlestown, Indiana, and across the Ohio River from Louisville, Kentucky.
The Nashville Dome of Tennessee and the Jessamine Dome or Lexington Dome [1] of central Kentucky make up the central portion of the arch. In the northern part, north of Cincinnati, Ohio, the Cincinnati Arch branches to form the Findlay and Kankakee arches. The Findlay plunges under Ontario and reappears as the Algonquin Arch further north. [2]
The Cincinnati Group is a geologic group in Kentucky, Ohio and Indiana. It is Upper Ordovician. See also. Earth sciences portal; United States portal; Ohio portal;
The Mill Creek is a stream in southwest Ohio. It flows 28.4 miles (45.7 km) [1] southwest and south from its headwaters in Liberty Township of Butler County through central Hamilton County and the heart of Cincinnati into the Ohio River just west of downtown. The section of Interstate 75 through Cincinnati is known as the Mill Creek Expressway.