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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: 8997

Geologic map showing the Oligocene rhyolite canyon tuff in part of the Bruno Peak Quadrangle, southeastern Arizona

No abstract available.

Geologic map, petrochemistry, and geochronology of the Precambrian rocks of the Fletcher Park-Johnson Mountain area, Albany and Platte counties, Wyoming

No abstract available.

Map showing synopsis of seismotectonic features in the vicinity of New Madrid, Missouri

No abstract available.

Photogeologic map and reconnaissance geologic map of the Griffin Coulee NE and NW quadrangles, Rosebud County, Montana

No abstract available.

Photogeologic map and reconnaissance geologic map of the Rosebud and Thrulow quadrangles, Rosebud County, Montana

No abstract available.

Photogeologic map and reconnaissance geologic map of the Schultz Coulee Quadrangle, Rosebud County, Montana

No abstract available.

Maps and diagrams showing acoustic and textural characteristics and distribution of bottom sedimentary environments, Boston Harbor and Massachusetts Bay

This report illustrates, describes, and briefly discusses the acoustic and textural characteristics and the distribution of bottom sedimentary environments in Boston Harbor and Massachusetts Bay. The study is an outgrowth of a larger research program designed to understand the regional processes that distribute sediments and related contaminants in the area. The report highlights the major finding

Detailed lithologic log of the Dow Chemical #1 B.L. Garrigan Drill Hole, Mississippi County, Arkansas

The geology and tectonic setting of the New Madrid region in southeastern Missouri has received considerable attention because of the area's high seismic activity. The largest recorded earthquakes in this area occurred in the winter of 1811-1812. These earthquakes has estimated magnitudes as large as 8.0 on the Richter scale (Johnsonton and Kanter, 1990) and affected an area of about 1 million squ

Map showing the distribution, mineralogy, and geochemistry of hydrothermally altered rocks in the Reno 1° x 2° quadrangle, Nevada and California

No abstract available.

Maps showing modern fissures and Quaternary faults in the Dry Lake Valley area, Lincoln County Nevada

No abstract available.

Photogeologic map showing distribution of sinkholes south of Fairplay, Park County, Colorado — A possible geologic hazard

A large group of at least 50, and perhaps significantly more, sinkholes partially surrounds Black Mountain 6-10 mi south Fairplay in South Park, Park County, Colorado. The sinkholes occur in bedrock in the evaporite facies of the Middle Pennsylvania Minturn Formation, and in Quaternary soil, alluvium, and glacial outwash gravels that overlie the evaporite beds. Sinkholes range in size from small d

Controlled photomosaic of the MTM 00142 Quadrangle, Gordii Dorsum region of Mars

No abstract available.