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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

A nickel deposit near Gold Hill, Boulder County, Colorado

No abstract available.
Authors
E. N. Goddard, T. S. Lovering

Additions to the Wilcox flora from Kentucky and Texas

No abstract available.
Authors
E. W. Berry

Attwater's prairie-chicken-its life history and management

Attwater's prairie chicken, a characteristic bird of the Texas coastal prairie, is closely related to the now extinct heath-hen of northeastern North America. Once abundant in an area extending from the coastal tall-grass prairies of southwestern Louisiana and Texas west and south to near Port Isabel, it has decreased in numbers as man has exploited its habitat, until now it is threatened with the
Authors
Valgene W. Lehmann

Bobwhite quail propagation

No abstract available.
Authors
R. B. Nestler, W. W. Bailey
By
Ecosystems Mission Area, Eastern Ecological Science Center

Chromite deposits of Kenai Peninsula, Alaska

No abstract available.
Authors

Contamination of Lake Wewoka and fresh-water sands by disposal of oil-well brines near Wewoka, Seminole County, Oklahoma

This report deals with ground-water conditions in an area about 5 miles wide from east to west and 8 miles long from north to south, in Tps. 8 and 9 N., Rs. 7 and 8 E., in Seminole County, Oklahoma, including the town of Wewoka and Lake Wewoka. The possible contamination of the lake waters from oil-well brines disposed through a well 3.75 miles north of the lake, and other effects of brine disposa
Authors
Stuart L. Schoff, Robert H. Dott, Cecil Gordon Lalicker

Contributions to geophysics, 1941. Superposition in the interpretation of two-layer earth-resistivity curves

No abstract available.
Authors
Irwin Roman

Effect upon ground-water levels of proposed surface-water storage in Flathead Lake, Montana

No abstract available.
Authors
Richard Carlysle Cady

Electrical resistivity determinations over the potash area near Carlsbad, New Mexico

No abstract available.
Authors

Fineness of gold from Alaska placers

No abstract available.
Authors
Philip Sidney Smith

Flood of August 1935 in the Muskingum River Basin, Ohio, with sections on the associated meteorology and hydrology

No abstract available.
Authors
C. V. Youngquist, W. B. Langbein, Waldo E. Smith, A. K. Showalter

Geochemical method of prospecting for ore deposits

No abstract available.
Authors
E.A. Sergeev, V.P. Sokoloff
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