Bedrock Geologic Map of Ohio
The Ohio Geological Survey has announced a 1:500,000-scale map of the state’s bedrock geology: “The map shows the distribution of 46 bedrock formations or combinations of formations occurring at the surface or immediately beneath the surficial deposits (mostly glacial) that commonly conceal much of the bedrock in Ohio. The accompanying text explains not only the characteristics and distribution of the state’s various bedrock formations, but also details the many economic mineral commodities, environmental characteristics, and geological hazards associated with the bedrock units.” $15. Via Maps-L.
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