GIS Data
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Geologic map of the Blackbird Mountain Quadrangle, Lemhi County, Idaho
No abstract available.
Pu‘u ‘Ō‘ō cone and surroundings as of July 2000
Pu‘u ‘Ō‘ō cone and surroundings as of July 2000, showing the area covered (mauve color) by lava since February 1997 during episode 55. Inside the crater of Pu‘u ‘Ō‘ō, the "trough" is the drained lava pond of September–October 1999. The central portion of the trough was briefly filled with lava in February 2000.
Geologic Map and Map Database of the Oakland Metropolitan Area, Alameda, Contra Costa, and San Francisco Counties, California
Introduction
This report contains a new geologic map at 1:50,000 scale, derived from a set of geologic map databases containing information at a resolution associated with 1:24,000 scale, and a new description of geologic map units and structural relationships in the mapped area. The map database represents the integration of previously published reports and new geologic mapping and field check
Geologic map and map database of the Palo Alto 30' x 60' quadrangle, California
This digital map database, compiled from previously published and unpublished data, and new mapping by the authors, represents the general distribution of bedrock and surficial deposits in the mapped area. Together with the accompanying text file (pamf.ps, pamf.pdf, pamf.txt), it provides current information on the geologic structure and stratigraphy of the area covered. The database delineates
Geologic map of the Carson Quadrangle (V-43), Venus
The Magellan spacecraft orbited Venus from August 10, 1990, until it plunged into the venusian atmosphere on October 12, 1994. Magellan had the objectives of (1) improving knowledge of the geologic processes, surface properties, and geologic history of Venus by analysis of surface radar characteristics, topography, and morphology and (2) improving knowledge of the geophysics of Venus by analysis o
Geologic map of the Littlefield 30' x 60' quadrangle, Mohave County, northwestern Arizona
This map is one result of the U.S. Geological Survey's intent to provide geologic map coverage and a better understanding of the transition in regional geology between the Basin and Range and Colorado Plateaus in southeastern Nevada, southwestern Utah, and northwestern Arizona. Information gained from this regional study provides a better understanding of the tectonic and magmatic evolution of an
Geologic/geomorphic map of the Galindo Quadrangle (V-40), Venus
The Magellan spacecraft orbited Venus from August 10, 1990, until it plunged into the venusian atmosphere on October 12, 1994. Magellan had the objectives of (1) improving knowledge of the geologic processes, surface properties, and geologic history of Venus by analysis of surface radar characteristics, topography, and morphology and (2) improving knowledge of the geophysics of Venus by analysis o
Map showing Quaternary geology and geomorphology of the Granite Park area, Grand Canyon, Arizona
View to west-northwest showing map area and setting of Granite Park; Grand Canyon, Arizona. The Colorado River flows from right to left. Granite Park Wash is the light-colored area in foreground of photograph. The debris fan of 209 Mile Canyon is at left center. Pleistocene gravel is exposed in the steep, light-colored bank above 209 Mile Rapids at left edge of photograph. The black-colored ledge
Isostatic gravity map of the Battle Mountain 30 x 60 minute quadrangle, north central Nevada
Gravity investigations of the Battle Mountain 30 x 60 minute quadrangle were begun as part of an interagency effort by the U.S. Geological Survey (USGS) and the Bureau of Land Management to help characterize the geology, mineral resources, hydrology, and ecology of the Humboldt River Basin in north-central Nevada. The Battle Mountain quadrangle is located between 40°30' and 41°N. lat. and 116° and