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

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Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

Filter Total Items: 83895

Geology and ground-water resources of North Dakota, with a discussion of the chemical character of the water

Water is the most valuable of the mineral resources. The study of ground waters is therefore clearly within the field of economic geology and constitutes an important part of the work of the geological surveys, both State and national, as defined by law. In the spring of 1911 the investigation of the ground waters of North Dakota was begun by the North Dakota Geological Survey, and the work was as
Authors
Howard E. Simpson, Harry Buchholz Riffenburg
By
Water Resources Mission Area, Dakota Water Science Center

Geology and mineral deposits of southeastern Alaska

No abstract available.
Authors
A. F. Buddington, Theodore Scheffield Chapin

Geology and mineral resources of the Aniakchak district

No abstract available.
Authors
R. S. Knappen

Geology and oil and gas prospects of part of the San Rafael Swell, Utah

No abstract available.
Authors
James Gilluly

Geology and water resources of the Edgeley and La Moure quadrangles, North Dakota

No abstract available.
Authors
Herbert A. Hard

Geology and water resources of the upper McKenzie Valley, Oregon

No abstract available.
Authors
Harold T. Stearns
By
Water Resources Mission Area, Oregon Water Science Center

Geology of Hyder and vicinity, southeastern Alaska, with a reconnaissance of Chickamin River

No abstract available.
Authors
A. F. Buddington

Geology of reservoir and dam sites; Geology of the Owyhee irrigation project, Oregon

No abstract available.
Authors
Kirk Bryan

Geology of the De Queen and Caddo Gap quadrangles, Arkansas

The field study of the geology of the De Queen and Caddo Gap quadrangles extended over a period of many years, and although the scientific and economic results from the study are here set forth fully for the first time in a single report, a number of publications have been issued that have presented some of the more important results.The field work was begun in 1907 and continued intermittently un
Authors
Hugh D. Miser, Albert Homer Purdue

Geology of the McCalls Ferry-Quarryville district, Pennsylvania

No abstract available.
Authors
Eleanora Frances Bliss Knopf, Anna Isabel Jonas
By
Pennsylvania Water Science Center

Ground water in Yellowstone and Treasure Counties, Montana

No abstract available.
Authors
George Martin Hall, Charles S. Howard

Mineral resources of Alaska, report on progress of investigations in 1926. Aerial photographic surveys in southeastern Alaska

No abstract available.
Authors
R.H. Sargent, F. H. Moffit
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