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Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database Geologic and structure map of the Choteau 1° x 2° quadrangle, western Montana: A digital database
The geologic and structure map of Choteau 1 x 2 degree quadrangle (Mudge and others, 1982) was originally converted to a digital format by Jeff Silkwood (U.S. Forest Service and completed by the U.S. Geological Survey staff and contractor at the Spokane Field Office (WA) in 2000 for input into a geographic information system (GIS). The resulting digital geologic map (GIS) database can be...