National Geologic Map Database
Product Description Page
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Title: The Bighorn dolomite and correlative formations in southern Montana and northern Wyoming
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Author(s): Richards, P.W., and Nieschmidt, C.L.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Oil and Gas Investigations Map OM-202
- Publication Date: 1961
- Map Scale: 1:750,000
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.