Digital Surficial Geologic-GIS Map of Yellowstone National Park and Vicinity, Wyoming, Montana and Idaho (NPS, GRD, GRI, YELL, YELL_surficial digital map) adapted from U.S. Geological Survey maps by Richmond (1973, 1974, 1977), Pierce (1973, 1974), Richmond and Waldrop (1972, 1975), Waldrop (1975), Richmond and Pierce (1971, 1972), Waldrop and Pierce (1975) and the U.S. Geological Survey (1972)
The Digital Surficial Geologic-GIS Map of Yellowstone National Park and Vicinity, Wyoming, Montana and Idaho 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 (yell_surficial_geology.gdb), a 2.) Open Geospatial Consortium (OGC) …