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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

Borate deposits in the Kramer district, Kern County, California

No abstract available.
Authors
L. F. Noble

Contributions to economic geology (short papers and preliminary reports, 1925 : Part I. - Metals and nonmetals except fuels

No abstract available.
Authors
Gerald Francis Loughlin, George Rogers Mansfield

Contributions to economic geology (short papers and preliminary reports), 1925, Part I, Metals and nonmetals except fuels. Platinum near Centennial, Wyoming

No abstract available.
Authors
F. L. Hess

Contributions to economic geology (short papers and preliminary reports), 1925, Part I, Metals and nonmetals except fuels. The Melrose phosphate field, Montana

No abstract available.
Authors
R. W. Richards, J. T. Pardee

Contributions to economic geology (short papers and preliminary reports), 1925: Part II. - Mineral fuels

No abstract available.
Authors
William Taylor Thom

Contributions to economic geology (short papers and preliminary reports), 1926: Part I. - Metals and nonmetals except fuel

No abstract available.
Authors
Gerald Francis Loughlin, George Rogers Mansfield

Contributions to economic geology, 1925: Part I, Metals and nonmetals except fuels. Antimony and quicksilver deposits in the Yellow Pine district, Idaho

No abstract available.
Authors
F. C. Schrader, C. P. Ross

Contributions to economic geology, 1925: Part II, Mineral fuels. Notes on Paleozoic rocks encountered in a well near Florence, Alabama

No abstract available.
Authors
Hugh Dinsmore Miser

Correlation of the basal Cretaceous beds of the Southeastern States

The basal Cretaceous deposits that fringe the inner margin of the Coastal Plain from eastern Alabama to central North Carolina, where they are overlapped by Miocene sands, have been commonly classified as of Lower Cretaceous age and correlated roughly with the Patuxent formation of the Potomac group of Maryland and Virginia. In this paper the evidence on which this early correlation was based is
Authors
Wythe Cooke

Fishing industry of the Great Lakes

No abstract available.
Authors
Walter N. Koelz
By
Ecosystems Mission Area, Great Lakes Science Center

Forty-seventh annual report of the Director of the Geological Survey

The appropriations made directly for the work of the Geological Survey for the fiscal year 1926 included 12 items, amounting to $1,952,610. In addition $85,930 was appropriated for printing the reports of the Geological Survey, and $11,700 for miscellaneous printing and binding, and an allotment of $6,165 for miscellaneous supplies was made from appropriations for the Interior Department. A detail
Authors
George Otis Smith

Fossil proboscidea and edentata of the San Pedro Valley, Arizona

A preliminary report on the fossil vertebrates of the San Pedro Valley, Ariz., collected by Kirk Bryan and me in the winter of 1920 and 1921 was published in 1922. This report includes a brief statement regarding the geology of the locality and a preliminary list of fossil vertebrates obtained by the expedition of 1921, with descriptions of the rodents and rabbits. Two additional papers on this
Authors
James Williams Gidley
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