Digital Geologic-GIS Maps of Bighorn Canyon National Recreation Area, Montana and Wyoming (NPS, GRD, GRI, BICA, BICA digital map) adapted from a U.S. Geological Survey Open-File Report map by Rioux (1994), and a Miscellaneous Geologic Investigations Map by Pierce (1997), and Montana Bureau of Mines and Geology Geologic Maps by Lopez (2000) and by Vuke, Wilde, Lopez and Bergantino (2007)
The Digital Geologic-GIS Maps of Bighorn Canyon National Recreation Area, Montana and Wyoming 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 (bica_geology.gdb), a 2.) Open Geospatial Consortium (OGC) geopackage, and 3.) 2.2 …