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Science Quality and Integrity

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 almost 1,000 books 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: 971

The effects of water levels on Two Lake Ontario Wetlands

Lake Ontario's water levels have been regulated since 1959, after the completion of the St. Lawrence River navigation and hydropower development project. The plan used to guide the regulation (1958-D) has been in effect since 1963 (Bryce, 1982). The purpose of the regulation was to prevent extreme high-water levels which increased erosion on the south shore of Lake Ontario, while protecting the
Authors
Wolf-Dieter N. Busch, Ronald G. Osborn, Gregor T. Auble

Rock movement and mass wastage in the Grand Canyon

No abstract available.
Authors
Richard Hereford, P. W. Huntoon
By
Geology, Minerals, Energy, and Geophysics Science Center

Effects of air pollutants on cold-desert cyanobacterial lichen crusts and rock lichens: chlorophyll degradation, electrolyte leakage, and nitrogenase activity

No abstract available.
Authors
J. Belnap

Travertine-marl: Stream deposits in Virginia

No abstract available.
By
Virginia and West Virginia Water Science Center

The quantification of instream flow rights to water

Energy development of all types continues to grow in the Rocky Mountain Region of the western United States. Federal resource managers increasingly need to balance energy demands, their effects on the natural and human landscape, and public perceptions towards these issues. The Western Energy Citation Clearinghouse (WECC v.1.0), part of a suite of data and information management tools developed an
Authors
Robert T. Milhous

Calibration of an effective habitat time series

No abstract available.
Authors
T.J. Waddle

Yellowstone bison population increases in relation to human activity

No abstract available.
Authors
M. Meagher

A statewide evaluation of Project WILD's effect on student knowledge and attitude toward wildlife

No abstract available.
Authors
T.M. Race, E. Decker, Jonathan G. Taylor

Planning to reintroduce woodland caribou to Minnesota

No abstract available.
Authors
P.J. Gogan, P.A. Jordan, J.L. Nelson

Metallic-mineral assessment of the Aban Al Ahmar quadrangle, sheet 25F, Kingdom of Saudi Arabia

Comprehensive detailed interdisciplinary study assesses the metallic-mineral-resource potential in the Aban Al Ahmar Quadrangle of the Kingdom of Saudi Arabia, located in the eastern margin of the northeastern Arabian Shield, utilizing techniques of geophysics, geologic mapping, remote sensing and geochemistry. The landscape of the study area is characterized by isolated mountain groups, inselberg
Authors
Robert J. Kamilli, Mark A. Arnold, J. C. Cole, M. Dean Kleinkopf, Keenan Lee, William R. Miller, Gary L. Raines

Techniques in fish immunology

No abstract available.
Authors
Joanne S. Stolen, T.C. Fletcher, D. P. Anderson, B.S. Roberson, W. B. van Muiswinkel
By
Ecosystems Mission Area, Eastern Ecological Science Center

Relationships between whitebark pine cone production and fall grizzly bear movements

No abstract available.
Authors
B.M. Blanchard