Maps

Fundamental Science Practices

USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

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. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

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January 1, 1987

Maps showing distribution of the Middle Cretaceous unconformity in the eastern Gulf of Mexico Maps showing distribution of the Middle Cretaceous unconformity in the eastern Gulf of Mexico

Several theories on the origin of the Gulf of Mexico basin have been introduced by various researchers (Beloussov, 1970; Freeland and Dietz, 1971; Malfait and Dinkelman, 1972; Wood and Walper, 1974; Pilger, 1978; Buffler and others, 1980; Dickinson and Coney, 1980; Gose and others, 1980; Schmidt-Effing, 1980; Walper, 1980; Schlager and others, 1984). Although no final agreement has been...

January 1, 1987

Maps showing geology, shallow structure, and bedform morphology of Nantucket Sound, Massachusetts Maps showing geology, shallow structure, and bedform morphology of Nantucket Sound, Massachusetts

No abstract available.

January 1, 1987

Maps showing ground-failure hazards in the Columbia River Valley between Richland and Priest Rapids Dam, south-central Washington Maps showing ground-failure hazards in the Columbia River Valley between Richland and Priest Rapids Dam, south-central Washington

No abstract available.

January 1, 1987

Maps showing the Quaternary geology of east-central Long Island Sound Maps showing the Quaternary geology of east-central Long Island Sound

No abstract available.

January 1, 1987

Maps showing the stratigraphic framework and Quaternary geologic history of eastern Long Island Sound Maps showing the stratigraphic framework and Quaternary geologic history of eastern Long Island Sound

No abstract available.

January 1, 1987

Median-porosity contour maps of the J Sandstone, Dakota Group, in the Denver Basin, Colorado, Nebraska, and Wyoming Median-porosity contour maps of the J Sandstone, Dakota Group, in the Denver Basin, Colorado, Nebraska, and Wyoming

The Lower Cretaceous J sandstone of the Dakota Group is present in the Denver basin in eastern Colorado, southeastern Wyoming, and southwestern Nebraska. Deposited during a regression of the Cretaceous epicontinental sea, this informally named unit is composed primarily of sandstone and shale of deltaic and near shore-marine origin. The J sandstone can be divided into an upper...

January 1, 1987

Mine and prospect map of the Crossman Peak Wilderness Study Area, Mohave County, Arizona Mine and prospect map of the Crossman Peak Wilderness Study Area, Mohave County, Arizona

No abstract available.

January 1, 1987

Mineral resource assessment of the Ajo and Lukeville 1 degree by 2 degrees quadrangles, Arizona Mineral resource assessment of the Ajo and Lukeville 1 degree by 2 degrees quadrangles, Arizona

No abstract available.

January 1, 1987

Mineral resource assessment of the Republic of Costa Rica Mineral resource assessment of the Republic of Costa Rica

No abstract available.

January 1, 1987

Mineral resource potential for lithium, kyanite-sillimanite, and barite in the Charlotte 1 degree by 2 degrees Quadrangle, North Carolina and South Carolina Mineral resource potential for lithium, kyanite-sillimanite, and barite in the Charlotte 1 degree by 2 degrees Quadrangle, North Carolina and South Carolina

No abstract available.

January 1, 1987

Mineral resource potential map of the South Sierra Wilderness and the South Sierra Roadless Area, Inyo and Tulare Counties, California Mineral resource potential map of the South Sierra Wilderness and the South Sierra Roadless Area, Inyo and Tulare Counties, California

There are five areas with mineral resource potential and one area with geothermal energy potential in the South Sierra Wilderness and the South Sierra Roadless Area. The area south of Summit Meadows and the area south of Hogback Creek have moderate resource potential for tungsten and molybdenum in small skarn deposits. The area between Summit meadow and Hogback Creek and the area from...

Geology, Energy, and Minerals Mission Area, Mineral Resources Program, Geology, Minerals, Energy, and Geophysics Science Center, Geology, Geophysics, and Geochemistry Science Center

January 1, 1987

Mines and prospects of the Andrews Mountain, Mazourka, and Paiute Roadless Areas, Inyo County, California Mines and prospects of the Andrews Mountain, Mazourka, and Paiute Roadless Areas, Inyo County, California

No abstract available.

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