EarthWorks Geospatial Catalog

Belt supergroup stratigraphic correlation sections showing general lithologies and history of formal usage [cartographic material] / by Don Winston ; cartography by Robert Dal Porto.

Accompanied by booklet: Belt supergroup stratigraphic correlation sections, western Montana and adjacent areas / by Don Winston. [Butte, Mont.] : Montana Bureau of Mines and Geology, 1986. Includes location map.
Montana Bureau of Mines and Geology
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