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Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

Filter Total Items: 9029

Backscatter intensity and sun-illuminated sea floor topography of the Stellwagen Bank National Marine Sanctuary off Boston, Massachusetts Backscatter intensity and sun-illuminated sea floor topography of the Stellwagen Bank National Marine Sanctuary off Boston, Massachusetts

No abstract available.

Backscatter intensity, shaded relief, and sea floor topography of Quadrangle 1 in western Massachusetts Bay offshore of Boston, Massachusetts Backscatter intensity, shaded relief, and sea floor topography of Quadrangle 1 in western Massachusetts Bay offshore of Boston, Massachusetts

No abstract available.

Backscatter intensity, shaded relief, and sea floor topography of Quadrangle 2 in western Massachusetts Bay offshore of Boston, Massachusetts Backscatter intensity, shaded relief, and sea floor topography of Quadrangle 2 in western Massachusetts Bay offshore of Boston, Massachusetts

No abstract available.

Big Cypress-Pine Island, Florida Big Cypress-Pine Island, Florida

No abstract available.

Coastal-change and glaciological map of the Bakutis Coast, Antarctica: 1972-2002 Coastal-change and glaciological map of the Bakutis Coast, Antarctica: 1972-2002

Changes in the area and volume of the polar ice sheets are intricately linked to changes in global climate, and the resulting changes in sea level may severely impact the densely populated coastal regions on Earth. Loss of the West Antarctic part of the Antarctic ice sheet alone could cause a sea-level rise of approximately 6 m. The potential sea-level rise after melting of the entire...

Coastal-change and glaciological map of the Saunders Coast area, Antarctica: 1972-1997 Coastal-change and glaciological map of the Saunders Coast area, Antarctica: 1972-1997

Changes in the area and volume of polar ice sheets are intricately linked to changes in global climate, and the resulting changes in sea level may severely impact the densely populated coastal regions on Earth. Melting of the West Antarctic part alone of the Antarctic ice sheet could cause a sea-level rise of approximately 6 meters (m). The potential sea-level rise after melting of the...

Crater Lake revealed Crater Lake revealed

Around 500,000 people each year visit Crater Lake National Park in the Cascade Range of southern Oregon. Volcanic peaks, evergreen forests, and Crater Lake’s incredibly blue water are the park’s main attractions. Crater Lake partially fills the caldera that formed approximately 7,700 years ago by the eruption and subsequent collapse of a 12,000-foot volcano called Mount Mazama. The...
By
National Cooperative Geologic Mapping Program, Volcano Hazards Program, Volcano Science Center, Crater Lake

Earthquakes in the central United States— 1699–2002 Earthquakes in the central United States— 1699–2002

No abstract available.

Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan County, Colorado Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan County, Colorado

During 1996 to 2000, the Bureau of Land Management, National Park Service, Environmental Protection Agency, United States Department of Agriculture (USDA) Forest Service, and the U.S. Geological Survey (USGS) developed a coordinated strategy to (1) study the environmental effects of historical mining on Federal lands, and (2) remediate contaminated sites
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Field and laboratory data from an earthquake history study of the Waterman Point Fault, Kitsap County, Washington Field and laboratory data from an earthquake history study of the Waterman Point Fault, Kitsap County, Washington

No abstract available.

Geochemistry, geochronology, mineralogy, and geology suggest sources of and controls on mineral systems in the southern Toquima Range, Nye County, Nevada Geochemistry, geochronology, mineralogy, and geology suggest sources of and controls on mineral systems in the southern Toquima Range, Nye County, Nevada

Geochemistry maps showing the distribution and abundance of 18 elements in about 1,400 rock samples, both mineralized and unmineralized, from the southern Toquima Range, Nev., indicate major structural and lithologic controls on mineralization, and suggest sources of the elements. Radiometric age data, lead mineralogy and paragenesis data, and lead-isotope data supplement the geochemical...
By
Geology, Energy & Minerals Science Center

Geologic map of MTM -45252 and-45257 quadrangles, Reull Vallis region of Mars Geologic map of MTM -45252 and-45257 quadrangles, Reull Vallis region of Mars

Mars Transverse Mercator (MTM) quadrangles -45252 and -45257 (latitude 42.5° S. to 47.5°S., longitude 250° W. to 260° W.) cover a portion of the highlands of Promethei Terra east of Hellas basin. The map area consists of heavily cratered ancient highland materials having moderate to high relief, isolated knobs and massifs of rugged mountainous material, and extensive tracts of smooth and...
By
Natural Hazards Mission Area, Astrogeology Science Center, Planetary Geologic Mapping
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