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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

A tapestry of time and terrain A tapestry of time and terrain

No abstract available.

Bedrock geologic map of the Chester Quadrangle, Windsor County, Vermont Bedrock geologic map of the Chester Quadrangle, Windsor County, Vermont

No abstract available.

Breccia-pipe and geologic map of the southeastern part of the Hualapai Indian Reservation and vicinity, Arizona Breccia-pipe and geologic map of the southeastern part of the Hualapai Indian Reservation and vicinity, Arizona

No abstract available.

Correlation of middle Jurassic San Rafael Group and related rocks from Bluff to Monticello in southeastern Utah Correlation of middle Jurassic San Rafael Group and related rocks from Bluff to Monticello in southeastern Utah

The Middle Jurassic San Rafael Group and the Upper Jurassic Morrison Formation consist mainly of sandstone, siltstone, and shale. The San Rafael Group is widely displayed around Bluff (fig. 1) in the southern part of the study area and along Harts Draw and Dry Valley in the northern part. Along Montezuma Canyon, which is almost 1,500 ft deep, the upper part of the group crops out for...

Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri

The geology of the Powder Mill Ferry 7 1/2-minute quadrangle , Shannon and Reynolds Counties, Missouri was mapped from 1997 through 1998 as part of the Midcontinent Karst Systems and Geologic Mapping Project, Eastern Earth Surface Processes Team. The map supports the production of a geologic framework that will be used in hydrogeologic investigations

Distribution of a suite of elements including arsenic and mercury in Alabama coal Distribution of a suite of elements including arsenic and mercury in Alabama coal

Arsenic and other elements are unusually abundant in Alabama coal. This conclusion is based on chemical analyses of coal in the U.S. Geological Survey's National Coal Resources Data System (NCRDS; Bragg and others, 1994). According to NCRDS data, the average concentration of arsenic in Alabama coal (72 ppm) is three times higher than is the average for all U.S. coal (24 ppm). Of the U.S...

Earthquakes in and near the northeastern United States, 1638-1998 Earthquakes in and near the northeastern United States, 1638-1998

The data are those used to make a large-format, colored map of earthquakes in the northeastern United States and adjacent parts of Canada and the Atlantic Ocean (Wheeler, 2000; Wheeler and others, 2001; references in Data_Quality_Information, Lineage). The map shows the locations of 1,069 known earthquakes of magnitude 3.0 or larger, and is designed for a non-technical audience. Colored...

Energy-resources map of the Circum-Pacific region, Arctic sheet Energy-resources map of the Circum-Pacific region, Arctic sheet

No abstract available.

Energy-resources map of the Circum-Pacific region, Pacific Basin sheet Energy-resources map of the Circum-Pacific region, Pacific Basin sheet

No abstract available.

Generalized geologic map of the Absaroka-Beartooth study area, south-central Montana Generalized geologic map of the Absaroka-Beartooth study area, south-central Montana

No abstract available.

Generalized surficial geologic map of the Denver 1° x 2° quadrangle, Colorado Generalized surficial geologic map of the Denver 1° x 2° quadrangle, Colorado

Thirty-nine types of surficial geologic deposits and residual materials of Quaternary age are described and mapped in the greater Denver area, in part of the Front Range, and in the piedmont and plains east of Denver, Boulder, and Castle Rock. Descriptions appear in the pamphlet that accompanies the map. Landslide deposits, colluvium, residuum, alluvium, and other deposits or materials...

Geologic and structure maps of the Kalispell 1° x 2° quadrangle, Montana, and Alberta and British Columbia Geologic and structure maps of the Kalispell 1° x 2° quadrangle, Montana, and Alberta and British Columbia

This dataset was digitized by the U.S. Geological Survey EROS Data Center and U.S. Geological Survey Spokane Field Office for input into an Arc/Info geographic information systsem (GIS). The digital geologic map database can be queried in many ways to produce a variety of derivative geologic maps.
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