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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

Mineral resources of Alaska: Report on progress of investigations in 1924

No abstract available.
Authors
Philip Sidney Smith

Mineral resources of the United States, 1923: Part II - Nonmetals

No abstract available.
Authors
Frank James Katz

Mining in Colorado, a history of discovery, development, and production

No abstract available.
Authors
C.W. Henderson

Mississippian formations of San Saba County, Texas

No abstract available.
Authors
P. V. Roundy, G. H. Girty, M.I. Goldman

Note on a colemanite deposit near Shoshone, California, with a sketch of the geology of a part of Amargosa Valley

No abstract available.
Authors
L. F. Noble

Ore deposits of the Jerome and Bradshaw Mountains quadrangles, Arizona

In the summer of 1922, at the request of the Director of the United States Geological Survey, I undertook an examination of the ore deposits in the Jerome and Bradshaw Mountains quadrangles, Ariz. (See fig. 1.) The object of this work was not a detailed investigation of each deposit but rather a coordination and classification of the occurrences and an attempt to ascertain their origin and ec
Authors
Waldemar Lindgren, V. C. Heikes

Paleontology and stratigraphy of the Castle Hayne and Trent marls in North Carolina

No abstract available.
Authors
L.B. Kellum

Pleistocene plants from North Carolina

The field work upon which this report is based was done in 1906 and 1907 as a part of the cooperative study of the Atlantic Coastal Plain, under the direction of the late William Bullock Clark. Associated with the writer in this work were L. W. Stephenson, B. L. Miller, Jr., and J. E. Pogue. Preliminary accounts of the plants collected were published in 1907 and 1909. As has been frequently empha
Authors
Edward Wilber Berry

Potash investigations in 1924

No abstract available.
Authors
W. B. Lang

Preliminary index to river surveys made by the United States Geological Survey and other agencies

No abstract available.
Authors
Benjamin E. Jones, Randolph Olaf Helland

Preliminary report on the geology and water resources of the Mud Lake basin, Idaho

No abstract available.
Authors
H. T. Sterns, L. L. Bryan

Recent developments in the Aspen district, Colorado

No abstract available.
Authors
Adolph Knopf
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