Coal drilling during 1980 in Big Horn, Dawson, McCone, Powder River, Prairie, Richland, Rosebud, and Treasure Counties, Montana
By: by U.S. Geological Survey and Montana Bureau of Mines and Geology
Contributors: Geological Survey (U.S.); Montana Bureau of Mines and Geology
Series: Open-file report -- 82-026; Open-file report (Geological Survey (U.S.)) -- 82-026
Publisher: U. S. Dept. of the Interior, Geological Survey
Published: 1981
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Coal -- Montana
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 3 microfiches ; 11 x 15 cm