Mineral resource potential map of the Lusk Creek Roadless Area, Pope County, Illinois
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illinois↗
Geology topics
T. M. Kehn
Publications and source records attributed to T. M. Kehn.
Mineral resource potential map of the Burden Falls Roadless Area, Pope County, Illinois
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Miscellaneous Field Studies Map↗
Results of exploratory drilling for lignite in 1979, Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan counties, Montana
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Open-File Report↗
Results of exploratory drilling for lignite in 1980, Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan counties, Montana
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Open-File Report↗