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Federal
Digital Geologic-GIS Map of Joshua Tree National Park, California (NPS, GRD, GRI, JOTR, JOTR digital map) adapted from a U.S. Geological Survey Open-File Report map by Powell, Matti and Cossette (2015), and an ESRI USA Topo Web Map Service map (2013)
Department of the Interior —
The Digital Geologic-GIS Map of Joshua Tree National Park, California is composed of GIS data layers and GIS tables, and is available in the following GRI-supported... -
Federal
Geologic Units - Rocky Mountain National Park
Department of the Interior —
The Geologic Units and Contacts of Rocky Mountain National Park and Vicinity, Colorado data (ROMOGLG) consists of area (polygon) geologic units and the contacts/map...