Geological Map of Ohio

We are especially proud to offer this beautifully engraved, hand colored map, produced in 1875 by L.H. Everts and Company for the Illustrated Historical Atlas of Clarke County, Ohio. Everts is responsible for producing some of the finest county and state atlases of the central U.S. A rare find. This is a great geological map of Ohio and its counties. The colors indicate the type of rock and soil in colored sections. There are also two section views at the top and bottom of the map. One is the section through northern Ohio showing lake and soil levels, the other is a section from Cincinnati to Marietta showing the vertical scale of soils.

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