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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. 

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Surface to subsurface cross sections showing correlation of the Dakota Sandstone, Burro Canyon (?) Formation, and upper part of the Morrison Formation in the Chama-El Vado area, Chama Basin, Rio Arriba County, New Mexico Surface to subsurface cross sections showing correlation of the Dakota Sandstone, Burro Canyon (?) Formation, and upper part of the Morrison Formation in the Chama-El Vado area, Chama Basin, Rio Arriba County, New Mexico

This report shows the correlation of the Dakota Sandstone, Burro Canyon(?) Formation, and the upper part of the Morrison Formation in the Chama basin from E1 Cerro dome, just west of Chama, to El Vado Reservoir. Criteria needed to recognize these formations both at the outcrop and in the subsurface is also included.

Surface-subsurface correlations of the Mesaverde Group and associated upper Cretaceous formations, Rock Springs, Wyoming, to Mount Harris, Colorado Surface-subsurface correlations of the Mesaverde Group and associated upper Cretaceous formations, Rock Springs, Wyoming, to Mount Harris, Colorado

No abstract available.

Surficial geologic map of the Gillette 30' x 60' Quadrangle, Campbell and Crook counties, Wyoming Surficial geologic map of the Gillette 30' x 60' Quadrangle, Campbell and Crook counties, Wyoming

No abstract available.

Surficial geologic map of the northwestern quarter of the Tyonek A-4 Quadrangle, south-central Alaska Surficial geologic map of the northwestern quarter of the Tyonek A-4 Quadrangle, south-central Alaska

No abstract available.

Surficial geologic map of the Reno Junction 30' x 60' Quadrangle, Campbell and Weston counties, Wyoming Surficial geologic map of the Reno Junction 30' x 60' Quadrangle, Campbell and Weston counties, Wyoming

No abstract available.

Thermal maturity of hydrocarbon-bearing formations in southwestern Wyoming and northwestern Colorado Thermal maturity of hydrocarbon-bearing formations in southwestern Wyoming and northwestern Colorado

No abstract available.

Trench logs from a strand of the Rock Valley Fault System, Nevada Test Site, Nye County, Nevada Trench logs from a strand of the Rock Valley Fault System, Nevada Test Site, Nye County, Nevada

No abstract available.

Vegetation and land cover, Tetlin National Wildlife Refuge, Alaska Vegetation and land cover, Tetlin National Wildlife Refuge, Alaska

No abstract available.

Aeromagnetic and isostatic gravity maps of the Crossman Peak Wilderness Study Area, Mohave County, Arizona Aeromagnetic and isostatic gravity maps of the Crossman Peak Wilderness Study Area, Mohave County, Arizona

No abstract available.

Aeromagnetic map of the Holy Cross Wilderness Area, Eagle, Lake, and Pitkin counties, Colorado Aeromagnetic map of the Holy Cross Wilderness Area, Eagle, Lake, and Pitkin counties, Colorado

The Holy Cross Wilderness (02–170), called simply "the wilderness area" in this report, lies in the northern Sawatch Range of Colorado. Regionally, the wilderness area lies on a strong gravity gradient that marks the northwest side of the deepest gravity low in the central United States (Behrendt and Bajwa, 1974). This low (fig. 1) reflects a series of Laramide and younger granitic...

Aeromagnetic map of the Rattlesnake Roadless Area, Coconino and Yavapai counties, Arizona Aeromagnetic map of the Rattlesnake Roadless Area, Coconino and Yavapai counties, Arizona

The Rattlesnake Road less Area covers 32,870 acres between long 11°37'30" and long 111°47'30" W. and between lat 34°40' and lat 34°45' N., Coconino and Yavapai Counties, in central Arizona. Sedona and 0ak Creek, the nearest population centers, are located, respectively, at the northwest corner and along the west boundary of the roadless area. The Rattlesnake Roadless Area includes the...

Aeromagnetic map of the rift systems of Kilauea and Mauna Loa volcanoes, Island of Hawaii, Hawaii Aeromagnetic map of the rift systems of Kilauea and Mauna Loa volcanoes, Island of Hawaii, Hawaii

No abstract available.
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