Unpublished Digital Geologic-GIS Map of parts of the Twin Peaks and Blanco Peak Quadrangles, Colorado (NPS, GRD, GRI, GRSA, TPBP digital map) adapted from a U.S. Geological Survey Miscellaneous Field Studies Map by Johnson and Bruce (1991)
The Unpublished Digital Geologic-GIS Map of parts of the Twin Peaks and Blanco Peak Quadrangles, Colorado is composed of GIS data layers and GIS tables in a 10.1 file geodatabase (tpbp_geology.gdb), a 10.1 ArcMap (.mxd) map document (tpbp_geology.mxd), individual 10.1 layer (.lyr) files for each GIS data layer, an …