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Reports

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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

Iron ore in the Red Mountain formation in Greasy Cove, Alabama

No abstract available.
Authors
Ernest Francis Burchard

Lode deposits of Eureka and vicinity, Kantishna district, Alaska

No abstract available.
Authors
F. G. Wells

Lode deposits of the Fairbanks district, Alaska

No abstract available.
Authors
J. M. Hill

Metalliferous deposits of the greater Helena mining region, Montana

The ore deposits described in this bulletin are distributed through a region of about 3,000 square miles surrounding the city of Helena, Mont. In general the surface of this region is mountainous, but it includes several large intermontane valleys. Large areas in the northern and eastern parts of the region sire underlain by sedimentary rocks of the Algonkian Belt series, and on the northeast and
Authors
Joseph Thomas Pardee, F. C. Schrader

Mineral deposits near the West Fork of the Chulitna River, Alaska

No abstract available.
Authors
C. P. Ross

Mineral resources of Alaska, report on progress of investigations in 1930. Mineral industry of Alaska in 1930 and administrative report

No abstract available.
Authors
P. S. Smith

Mineral resources of Alaska, report on progress of investigations in 1930. Notes on the geography and geology of Lituya Bay

No abstract available.
Authors
J. B. Mertie

Mineral resources of Alaska, report on progress of investigations in 1930. Surface water supply of southeastern Alaska, 1909-1930

No abstract available.
Authors
F.F. Henshaw

Mineral resources of Alaska, report on progress of investigations in 1931. Mineral industry of Alaska in 1931 and administrative report

No abstract available.
Authors
P. S. Smith

Mineral resources of Alaska, report on progress of investigations in 1931. Mineral investigations in the Alaska Railroad belt, 1931

No abstract available.
Authors
S. R. Capps

Mineral resources of Alaska, report on progress of investigations in 1932. Past placer-gold production from Alaska

No abstract available.
Authors
P. S. Smith

Mineral resources of Alaska: Report on progress of investigations in 1930

No abstract available.
Authors
Philip Sidney Smith
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