National Geologic Map Database
General Information
- Title: Structural framework of the Illinois - Kentucky mining district and its relation to mineral deposits [paper 294]
- Author(s): Heyl, A.V., and Brock, M.R.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 424-D
- Larger Work: Geological Survey Research 1961, short papers in the geologic and hydrologic sciences, articles 293-435
- Publication Date: 1961
- Map Scale: 1:60,000
- Cross Section: None
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