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Geology of the Utukok-Corwin Region, Northwestern Alaska : Prepared and published at the request of and in cooperation with the U.S. Department of the Navy, Office of Naval Petroleum and Oil Shale Reserves
Chapman, Robert M., (1960)
Land utilization issues for development of Piceance Basin Oil shale
Rubenson, David S., (1983)
Technology may control adverse environmental effects
Knaus, Emil, (2009)
Mechanics of oil shale
Chong, Ken P., (1984)