Geologic map datasets of the Custer and Gallatin National Forests of South-central Montana, in ARC/INFO format: Northern portion

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Description The geology of western and northern Gallatin National Forest was mapped in two parts as part of an evaluation of its mineral resource potential by the USGS. Previously, the western part was released as Map A and the northern part as Map B of USGS Geologic
Originators Green, Gregory N.; van Gosen, Bradley S.; Wilson, Anna B.; and Silkwood, Jeffery T.
Publication U.S. Geological Survey Open-File Report 99-450

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