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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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Relations between local magnetic disturbances and the genesis of petroleum

No question in geology is more obscure than that of the origin of the numerous natural hydrocarbons commonly classified as asphalt, ozokerite, petroleum, and natural gas. Certain facts of occurrence and certain results of experiment are indeed established, but the interpretation to be placed upon them is so doubtful that the conclusion reached may almost be said to depend on predilection. A great
Authors
George Ferdinand Becker

Results of purchasing coal under Government specifications, with a paper on burning the small sizes of anthracite for heat and power purposes

No abstract available.
Authors
John Shober Burrows, Dwight T. Randall

Results of spirit leveling in Ohio, 1898 to 1908, inclusive

No abstract available.
Authors
Samuel Stinson Gannett, David Henry Baldwin

Results of spirit leveling in West Virginia, 1896 to 1908, inclusive

No abstract available.
Authors
Samuel Stinson Gannett, David Henry Baldwin

Revision of the mice of the American genus Peromyscus

No abstract available.
Authors
Wilfred H. Osgood

Santa Cruz folio, California

No abstract available.
Authors
John Casper Branner, J.F. Newsom, Ralph Arnold

Some desert watering places in southeastern California and southwestern Nevada

No abstract available.
Authors
Walter Curran Mendenhall
By
Water Resources Mission Area, California Water Science Center

Structural materials in parts of Oregon and Washington

No abstract available.
Authors
Nelson Horatio Darton

Surface water supply of Nebraska

No abstract available.
Authors
John Cyprian Stevens

Surface water supply of the United States, 1907-8, Part II. South Atlantic Coast and eastern Gulf of Mexico

This volume contains results of flow measurements made on certain streams in the United States. The work was performed by the water-resources branch of the United States Geological Survey, either independently or in cooperation with organizations mentioned herein. These investigations are authorized by the organic law of the Geological Survey (Stat. L., vol. 20, p. 394)...
Authors

Tests of run-of-mine and briquetted coal in a locomotive boiler

No abstract available.
Authors
Walter T. Ray, Henry Kreisinger

The colloid matter of clay and its measurement

No abstract available.
Authors
Harrison Everett Ashley