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Federal
Digital Geologic Map of the U.S. Geological Survey Mapping in the Western Portion of Amistad National Recreation Area, Texas (NPS, GRD, GRI, AMIS, WPAM digital map)
Department of the Interior —
The Digital Geologic Map of the U.S. Geological Survey Mapping in the Western Portion of Amistad National Recreation Area, Texas is composed of GIS data layers... -
Federal
Digital Geologic Map of Amistad National Recreation Area and Vicinity, Texas and Mexico (NPS, GRD, GRI, AMIS, AMIS digital map)
Department of the Interior —
The Digital Geologic Map of Amistad National Recreation Area and Vicinity, Texas and Mexico is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR)...