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Federal
Unpublished Digital Geologic-GIS Map of Beck Mountain and Crestone Peak Quadrangles, and parts of the Crestone Quadrangle, Colorado (NPS, GRD, GRI, GRSA, BEMO digital map) adapted from a U.S. Geological Survey Miscellaneous Field Studies Map by Lindsey, Johnson, Soulliere, Bruce and Hafner (1986) recent views
Department of the Interior —
The Unpublished Digital Geologic-GIS Map of Beck Mountain and Crestone Peak Quadrangles, and parts of the Crestone Quadrangle, Colorado is composed of GIS data layers... -
Federal
Unpublished Digital Geologic-GIS Map of Parts of Great Sand Dunes National Park and Preserve (Sangre de Cristo Mountains and part of the Dunes), Colorado (NPS, GRD, GRI, GRSA, GSAM digital map) adapted from U.S. Geological Survey Miscellaneous Field Studies Maps by Lindsey, Johnson, Bruce, Soulliere, Flores and Hafner (1985 to 1991) recent views
Department of the Interior —
The Unpublished Digital Geologic-GIS Map of Parts of Great Sand Dunes National Park and Preserve (Sangre de Cristo Mountains and part of the Dunes), Colorado is...