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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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The Triassic cephalopod genera of America

The marine Triassic section of .America is unusually complete, and its thickness compares favorably with that of any other region. All three subdivisions-Lower, Middle, and Upper Triassic--are represented by calcareous deposits, aggregating approximately 4,000 feet in thickness. Of this amount, about 800 feet belong to the Lower Triassic, about 1,000 feet to the Middle Triassic, and about 2,000 fe
Authors
Alpheus Hyatt, J.P. Smith

The water of the Yukon

No abstract available.
Authors
F. W. Clarke

Tonopah mining district

No abstract available.
Authors
J. E. Spurr

Twenty-Sixth Annual Report of the Director of the United States Geological Survey, 1904-1905

IntroductionRemarks on the work of the yearBranches of workThe United States Geological Survey was created in 1879 for the purpose—as its name implies—of examining and reporting on the geologic structure and mineral resources and products of the national domain. To the adequate description of geologic formations and structure cartography is essential, and Congress early recognized this fact by mak
Authors
Charles D. Walcott

Underflow tests in the drainage basin of Los Angeles River

No abstract available.
Authors
Homer Hamlin

Underground waters of eastern United States

The present paper is a brief summary of the underground water conditions in eastern United States, prepared to meet the demands of drillers and others for information relating to the general water resources of the various States or of specified regions.The detail with which the several regions or subjects are discussed depends mainly on their relative importance, although because of the greater am
Authors
Myron L. Fuller

Underground waters of Salt River valley, Arizona

No abstract available.
Authors
Willis Thomas Lee

Water problems of Santa Barbara, California

No abstract available.
Authors
Joseph Barlow Lippincott

Waynesburg folio, Pennsylvania

No abstract available.
Authors
Ralph Walter Stone

Zinc and lead deposits of northwestern Illinois

Zinc and lead minerals are found in two widely separated districts in Illinois. One of these occurs in the extreme southern portion of the State and includes portions of Hardin, Pope, and Saline counties. It forms part of the Kentucky-Illinois fluorspar, lead, and zinc field, and for convenience may be referred to as the Southern Illinois district. The other occurs in the- extreme northwestern por
Authors
Harry Foster Bain

A biological reconnaissance of the base of the Alaska Peninsula

No abstract available.
Authors
Wilfred H. Osgood

A gazetteer of Delaware

No abstract available.
Authors
Henry Gannett