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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.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
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: 975
A stochastic population model of mid-continental mallards A stochastic population model of mid-continental mallards
No abstract available.
Authors
Rolf R. Koford, J.R. Sauer, Douglas H. Johnson, J.D. Nichols, M.D. Samuel
Forum on land use and land Cover: Summary report Forum on land use and land Cover: Summary report
This report includes the agenda and abstracts of presentations from the Forum on Land Use and Land Cover Data, cohosted by the U. S. Geological Survey (USGS) and the U.S. Environmental Protection Agency (USEPA), February 25-27,1992 at the USGS National Center in Reston, Virginia. The Forum was conducted under the auspices of the Federal Geographic Data Committee (FGDC) and was attended...
Authors
Water Resources Division U.S. Geological Survey
Majestic Molokai: A nature lover's guide Majestic Molokai: A nature lover's guide
No abstract available.
Authors
A.K. Kepler, C. B. Kepler
Results of the First Joint US-USSR Central Pacific Expedition (BERPAC), Autumn 1988 Results of the First Joint US-USSR Central Pacific Expedition (BERPAC), Autumn 1988
No abstract available.
Authors
J. F. Turner, H.J. O’Connor, Y.A. Izrael, A.V. Tsyban
Results of the Third Joint US-USSR Bering & Chukchi Seas Expedition (BERPAC), Summer 1988 Results of the Third Joint US-USSR Bering & Chukchi Seas Expedition (BERPAC), Summer 1988
No abstract available.
Authors
J. F. Turner, H.J. O’Connor, Y.A. Izrael, A.V. Tsyban
The Ecology of Tijuana Estuary: A National Estuarine Research Reserve The Ecology of Tijuana Estuary: A National Estuarine Research Reserve
No abstract available at this time
Authors
J. Zedler, C. Nordby, B. Kus
Use of D-C resistivity to map saline ground water Use of D-C resistivity to map saline ground water
It has been estimated in previous studies that 23 square miles of the Oxnard aquifer, a member of a multi-layered aquifer system beneath the Oxnard plain in Ventura County, California, has been contaminated as a result of seawater intrusion. To investigate this and other potential sources of saline water, a direct-current resistivity survey was made as an alternative to the costly and...
Authors
Christina L. Stamos, Steven K. Predmore, Adel A. R. Zohdy
Paleocene-Eocene boundary: Sedimentation in the Potomac River Valley, Virginia and Maryland: field trip guidebook Paleocene-Eocene boundary: Sedimentation in the Potomac River Valley, Virginia and Maryland: field trip guidebook
No abstract available.
Authors
Thomas G. Gibson, Laurel M. Bybell
E-4 Central Kentucky to the Carolina Trough E-4 Central Kentucky to the Carolina Trough
E-4 is one of eight Geodynamics transects that cross the Atlantic margin of North America between Georgia and Newfoundland. Five of the transects are in the United States and three are in Canada. Transect E-4, which is 110 km wide and more than 1,100 km long, extends from the stable North American craton just west of the Grenville front near Lexington, Kentucky southeastward across Cape...
Authors
Douglas W. Rankin, William P. Dillon, D.F.B. Black, S.E. Boyer, David L. Daniels, R. Goldsmith, J. A. Grow, J. Wright Horton, Deborah R. Hutchinson, Kim D. Klitgord, R. C. McDowell, D.J. Milton, J. P. Owens, Jeffrey D. Phillips, K.C. Bayer, John R. Butler, D.W. Elliott, Robert C. Milici
Riparian ecosystems: critical resources under Russian invasion Riparian ecosystems: critical resources under Russian invasion
No abstract available.
Authors
F.L. Knopf
Instream flow needs below peaking hydroelectric projects Instream flow needs below peaking hydroelectric projects
No abstract available.
Authors
Robert T. Milhous
A water budget approach to instream flow maintenance A water budget approach to instream flow maintenance
No abstract available.
Authors
T.J. Waddle