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Science Quality and Integrity

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: 83829

Surface water supply of the United States, 1916, Part IV, St. Lawrence River basin

No abstract available.
Authors

Surface waters of Vermont

No abstract available.
Authors
Charles Henry Pierce

The Bull mountain coal field, Musselshell and Yellowstone counties, Montana

No abstract available.
Authors
Lester Hood Woolsey, Ralph Webster Richards, Charles Thomas Lupton

The coal fields of Ohio, with a computation of the original coal content of the fields

No abstract available.
Authors
J. A. Bownocker, F. R. Clark

The coal fields of the United States

No abstract available.
Authors
M. R. Campbell

The divining rod: A history of water witching, with a bibliography

The use of a forked twig, or so-called divining rod, in locating minerals, finding hidden treasure, or detecting criminals is a curious superstition that has been a subject of discussion since the middle of the sixteenth century and still has a strong hold on the popular mind, even in this country, as is shown by the large number of inquiries received each year by the United States Geological Surv
Authors
Arthur Jackson Ellis

The enrichment of ore deposits

No abstract available.
Authors
William H. Emmons

The flora of the Fox Hills sandstone

No abstract available.
Authors
F. H. Knowlton

The Garrison and Philipsburg phosphate fields, Montana

No abstract available.
Authors
J. T. Pardee

The geology and ore deposits of Ely, Nevada

No abstract available.
Authors
A.C. Spencer

The Helderberg limestone of central Pennsylvania

This paper presents the results of a study made during 1913, 1914, and 1915, while the writer was a student at Johns Hopkins University. The formations discussed have been studies in Maryland, New Jersey, and New York, and described with more or less detail, but concerning their occurrence in the intervening area in Pennsylvania little exact information has been available. The conflict in opinion
Authors
John B. Reeside

The inorganic constituents of marine invertebrates

No abstract available.
Authors
F. W. Clarke, W. C. Wheeler