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15' Quadrangle, Wyoming and Montana (NPS, GRD, GRI, YELL, MAMM digital map) adapted from a U.S. Geological Survey unpublished mylar map by Christiansen, Prostka, Ruppel and Smedes (1972)
The Digital Geologic-GIS Map of the Mammoth 15' Quadrangle, Wyoming and Montana is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file geodatabase (mamm_geology.gdb), and a 2.) Open Geospatial Consortium (OGC) geopackage. The file geodatabase …