Digital Geologic-GIS Map of the West Thumb 15' Quadrangle, Wyoming (NPS, GRD, GRI, YELL, WETH digital map) adapted from a U.S. Geological Survey unpublished digital data map by the U.S. Geological Survey (2002) and a U.S. Geological Survey Geologic Quadrangle Map by Christiansen (1974)
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The Digital Geologic-GIS Map of the West Thumb 15' Quadrangle, Wyoming is composed of GIS data layers and GIS tables, and is available in the following GRI-supported...



