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- West Virginia Geological and Economic Survey3
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- American Association of Petroleum Geologists1
- Colorado Geological Survey1
- Geological Survey of Japan1
- Kentucky Geological Survey, Williams & Heintz Co.)1
- Kentucky Geological Survey,Williams-Webb Co.1
- Ontario, Dept. of Energy and Resources Management, Petroleum Resources Section1
- Sidney Schafer & Associates1
- State of Illinois, Dept. of Registration and Education, Illinois State Geological Survey1
- State of Tennessee, Dept. of Conservation, Division of Geology1
- U.S. Dept. of the Interior, U.S. Geological Survey1
- West Virginia Geological and Economic Survey, Williams & Heintz Map Corp.)1
