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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.

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Twenty-First Annual report of the Director of the United States Geological Survey, 1899-1900: Part VI(continued)- Mineral Resources of the United States, 1899 Nonmetallic Products, Except Coal and Coke

No abstract available.
Authors
Charles D. Walcott

Twenty-First Annual report of the Director of the United States Geological Survey, 1899-1900: Part VII - Texas

Area treated.—The Black and Grand prairies of Texas and southern Indian Territory comprise about 50,000 square miles (see Pl. LXV, in pocket)—an area equal to that of fifty of the quadrangles mapped and described by the United States Geological Survey in its Geologic Atlas of the United States. The accompanying general geologic map (Pl. LXVI, in pocket) is a condensed presentation of the geology u
Authors
Charles D. Walcott

Twenty-second Annual report of the Director of the United States Geological Survey, 1900-1901: Part II - Ore deposits

No abstract available.
Authors
Charles D. Walcott

Washington folio, District of Columbia-Maryland-Virginia

No abstract available.
Authors
Nelson Horatio Darton, Arthur Keith

Water storage on Cache Creek, California

No abstract available.
Authors
Albert Edward Chandler

Preliminary report on the Cape Nome gold region, Alaska

The following report is based on a few weeks' examination of the recently discovered Nome gold-mining region, made by us in October, 1899. We collected such topographic and geologic data of this important region as the climatic conditions would permit and our limited time would allow, the trip to Nome being a hurried utilization of a delay while waiting for a steamer for Seattle after the completi
Authors
Frank C. Schrader, Alfred H. Brooks

A gazetteer of Utah

The Territory of Utah was organized September 9, 1850, its area being a part of that acquired from Mexico by the United States in 1848. As originally organized it extended from the summit of the Rocky Mountains in central Colorado westward to the east boundary of California, including all the territory between the parallels of 37° and 42° north latitude. These limits are thus defined in the act cr
Authors
Henry Gannett

A synopsis of American fossil Bryozoa, including bibliography and synonymy

No abstract available.
Authors
John M. Nickles, Ray S. Bassler

Adephagous and clavicorn Coleoptera from the Tertiary deposits at Florissant, Colorado, with descriptions of a few other forms and a systematic list of the nonrhynchophorous Tertiary Coleoptera of North America

No abstract available.
Authors
Samuel Hubbard Scudder

Altitudes in Alaska

No abstract available.
Authors
Henry Gannett

Analyses of rocks from the laboratory of the United States Geological survey 1880-1899

No abstract available.
Authors
Frank Wigglesworth Clarke

Annotated list of birds

No abstract available.
Authors
Louis B. Bishop