• Organization: Department of Energy
• Updated: 2018-07-02T22:25:03Z

Bedrock Geology of Champaign County, Illinois, map layers (shapefiles). Layers included: 1) Champaign County bedrock units. 2) Champaign County bedrock surface contours. Contour interval of 25...

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• Organization: Department of the Interior
• Updated: 2021-01-08T00:00:00Z

Researchers at the U.S. Geological Survey (USGS) and their collaborators conducted a study of the geochemical properties of coals currently produced for electric power generation in the Illinois...

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