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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: 8999

Complete Bouguer and free-air gravity anomaly maps of the Delarof Islands and Tanaga Island, Alaska

No abstract available.

Complete Bouguer and free-air gravity anomaly maps of the Rat Islands west of Amchitka Island, Alaska

No abstract available.

Components of the water budget in the Tucson area, Arizona, 1970-72

No abstract available.

Composite geochemical map of anomalous copper and molybdenum distribution in the Tanacross Quadrangle, Alaska

This geochemical map delineates drainage basins in which either anomalous copper, molybdenum, or both copper and molybdenum were detected in at least one of four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level

Composite geochemical map of anomalous lead and zinc distribution in the Tanacross Quadrangle, Alaska

This geochemical map shows drainage basins in which either anomalous lead, zinc, or both lead and zinc values were detected in at least one of four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the

Contour map and interpretive cross sections showing depth and configuration of bedrock surface, South San Francisco Bay region, California

No abstract available. 

Contour map of the base of Saprolite, Howard County, Maryland

No abstract available.

Contour map of the bedrock surface, Durham Quadrangle, Connecticut

No abstract available.

Contour map of the bedrock surface, Meriden quadrangle, Connecticut

No abstract available.

Contour map of the bedrock surface, Middletown Quadrangle, Connecticut

No abstract available.

Contour map of the bedrock surface, Spring Hill Quadrangle, Connecticut

No abstract available.

Contour map of the bedrock surface, Willimantic Quadrangle, Connecticut

No abstract available.