Digital Geologic-GIS Map of the Mammoth 15' Quadrangle, Wyoming and Montana (NPS, GRD, GRI, YELL, MAMM digital map) adapted from a U.S. Geological Survey unpublished mylar map by Christiansen, Prostka, Ruppel and Smedes (1972) - yell_geology_gis_readme.pdf

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Last updated	unknown
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Name	yell_geology_gis_readme.pdf
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Created	2 years ago
Media type	application/pdf
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