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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 Fairhaven gold placers, Seward Peninsula, Alaska

This manuscript is based on a geologic and topographic reconnaissance survey, made during the summer of 1903, of an important placer-gold district in the northeastern part of Seward Peninsula. The report is accompanied by a reconnaissance map by Mr. D. C. Witherspoon, topographer, under whose directions the field operations were carried out.Surveys were begun in Seward Peninsula in 1899, soon afte
Authors
Fred Howard Moffit

The fluorspar deposits of southern Illinois

No abstract available.
Authors
Harry Foster Bain

The geology of the Perry Basin in southeastern Maine

The geologic examination of the Perry district, in southeastern Maine, was undertaken at the request of the Survey Commission of the State of Maine. During the 1902-3 session of the Maine legislature an effort was made by petitioners resident in Washington County to obtain from the State an appropriation of $10,000 for coal exploration. The resolve proposed contained a ,proviso necessitating an ad
Authors
G. O. Smith, David White

The Gold Placers of the Fortymile, Birch Creek, and Fairbanks Regions, Alaska

No abstract available.
Authors
Louis Marcus Prindle

The hydrology of San Bernardino Valley, California

The San Bernardino basin lies near the eastern end of the valley of southern California.  Under the latter term is included that general lowland area which is definitely limited on the north by the San Gabriel and San Bernardino ranges and on the east by the latter range and the San Jacinto group, but whose southern boundary is irregular and difficult to define.  In this direction there is an inte
Authors
Walter C. Mendenhall

The lead, zinc, and fluorspar deposits of western Kentucky

Geography and distinctive characters. The fluorspar, lead, and zinc deposits that were the subject of the investigations reported in this paper are situated hi Livings ton, Crittenden, and Caldwell, and adjacent portions of Christian, Trigg, and Lyon counties, in western Kentucky, and in the counties immediately across the Ohio River, in the extreme southern portion of Illinois. This area, constit
Authors
E. O. Ulrich, W.S.T. Smith

The lignite of North Dakota and its relation to irrigation

No abstract available.
Authors
Frank Alonzo Wilder

The normal distribution of chlorine in the natural waters of New York and New England

No abstract available.
Authors
Daniel Dana Jackson

The origin of certain place names in the United States (second edition)

No abstract available.
Authors
Henry Gannett

The petroleum fields of the Pacific coast of Alaska, with an account of the Bering River coal deposits

This report contains the result of a hasty examination of the structural and economic geology of the localities where indications of petroleum have been found. Though only a few wells have been drilled and it is too soon to predict an important future for the region as a petroleum producer, studies have shown that there is ample justification for further prospecting and that the region may yet be
Authors
George Curtis Martin

The plasticity of clays

No abstract available.
Authors
F. F. Group

The southern Appalachian forests

In examining so large an area it was found that the best results could be obtained by traversing the roads and trails and making side trips wherever necessary to cover intermediate territory. Upon the topographic maps of the Geological Survey were drawn the outlines of cleared land and the several classes of forest land as they were passed. At the same time ocular estimates of the average stand an
Authors
H.B. Ayres, W.W. Ashe