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You searched for: Format Paper Map Remove constraint Format: Paper Map Publisher Montana Bureau of Mines and Geology, Remove constraint Publisher: Montana Bureau of Mines and Geology, Subject Geology, Stratigraphic Remove constraint Subject: Geology, Stratigraphic
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2. Oil shale potential in the Heath and Tyler Formations, central Montana

Cox, Willard E. Montana Bureau of Mines and Geology,.

3. Quaternary geologic map of the Helena Valley, Montana

Stickney, Michael C. Montana Bureau of Mines and Geology,.