GIS Data
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Geologic map of the Sherbrooke-Lewiston area, Maine, New Hampshire, and Vermont, United States, and Quebec, Canada
This map is part of a folio of maps of the Lewiston 1° x 2° quadrangle, Maine, New Hampshire, and Vermont, and part of the Sherbrooke 1° x 2° quadrangle, Maine, New Hampshire, and Vermont, United States, and Quebec, Canada, prepared under the Conterminous United States Mineral Assessment Program (CUSMAP). Adjacent areas in Quebec are shown, in order to illustrate the geologic continuity between no
Geologic map of the Tar Spring Ridge Quadrangle, San Luis Obispo County, California
No abstract available.
Geologic/geomorphologic map of the Chryse Planitia region of Mars
Since the 1970’s, when the Mariner 9 spacecraft revealed the geologic diversity of Mars, the Chryse Planitia region has been noted for its immense outflow channels and chaotic terrain (McCauley and others, 1972; Sharp and Malin, 1975; Baker, 1982, chap. 3; Mars Channel Working Group, 1983). Various proposals for the origin of these features have been offered; most workers have favored a mechanism
Map of Mars showing channels and possible paleolake basins
The significance of water in the geologic evolution of Mars was strikingly revealed by Mariner and Viking spacecraft images. Theoretical and conceptual models of the Martian climate through time range from a brief, early, warm, and wet period followed by protracted desertification to episodic oceans that inundated the northern lowland plains and produced temperate climatic regimes.
Map showing fault activity in the Yucca Mountain area, Nye County, Nevada
No abstract available.
Merged aeromagnetic map of interior Alaska
No abstract available.
Natural hazards potential map of the Circum-Pacific region; southwest quadrant
No abstract available.
Potassium, uranium, and thorium maps of the conterminous United States
No abstract available.
Quaternary geologic map of the Dakotas 4 degrees x 6 degrees quadrangle, United States
No abstract available.
Quaternary Geologic Map of the Lake of the Woods 4 Degrees x 6 Degrees Quadrangle, United States and Canada
The Quaternary Geologic Map of the Lake of the Woods 4 deg x 6 deg Quadrangle, United States and Canada, was mapped as part of the U.S. Geological Survey Quaternary Geologic Atlas of the United States map series (Miscellaneous Investigations Series I-1420, NM-15). The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other materials that accumulated
Satellite image map of Antarctica, 1996
No abstract available.