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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.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
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Revised procedures for capturing and reestablishing desert bighorn Revised procedures for capturing and reestablishing desert bighorn
No abstract available at this time
Authors
L.L. Wilson, C. L. Douglas
Rifting history and structural development of the continental margin north of Alaska Rifting history and structural development of the continental margin north of Alaska
Seismic-reflection profiles in the Alaskan Beaufort Sea and onshore geology indicate that the continental margin north of Alaska is of Atlantic type. Rifting appears to have begun in earliest Jurassic time, about 190 to 185 m.y. ago, when crustal extension created a rift-valley system beneath the Beaufort shelf and part of the adjacent coastal plain. Subsequent crustal warming caused...
Authors
Arthur Grantz, S. D. May
Sediment-discharge characteristics of the Toutle River following the Mount St. Helens eruption Sediment-discharge characteristics of the Toutle River following the Mount St. Helens eruption
Dinehart, R.L., Culbertson, J.K., 1982, Sediment-discharge characteristics of the Toutle River following the Mount St. Helens eruption, [abs.]: in Proceedings from the Conference on Mount St. Helens— Effects on water resources: State of Washington Water Research Center, p. 149.
Authors
J.K. Culbertson, R.L. Dinehart
Simulated demography of the River Mountain herd Simulated demography of the River Mountain herd
No abstract available at this time
Authors
D.M. Leslie, C. L. Douglas
Subacute dietary toxicities of dicrotophos and dieldrin in time-replicated trials with young ring-necked pheasants and mallards Subacute dietary toxicities of dicrotophos and dieldrin in time-replicated trials with young ring-necked pheasants and mallards
The dietary toxicities of (E)-phosphoric acid 3-(dimethylamino)-1-methyl-3-oxo-1-propenyl dimethyl ester (dicrotophos) and 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-2,7:3,6-dimethanonaphth[2,3-b]oxirene (dieldrin) to 10-day-old ring-necked pheasants (Phasianus colchicus) and 5-day-old mallards (Anas platyrhynchos) were compared in five time-replicated trials. Toxicities were...
Authors
E. F. Hill
Subacute toxicity testing with young birds: Response in relation to age and intertest variability of LC50 estimates Subacute toxicity testing with young birds: Response in relation to age and intertest variability of LC50 estimates
The variability in toxic response of Japanese quail (Coturnix coturnix japonica) to a standardized 5-day subacute feeding trial was studied while age was increased at weekly intervals from 1 to 21 days and at different times with 14-day-old birds. The objectives were to identify the strengths and limitations of this subacute toxicity protocol and to provide possible explanations for...
Authors
E. F. Hill, M.B. Camardese
Terrestrial animal species panel Terrestrial animal species panel
No abstract available.
Authors
R. Gerrits, G. Rabb, G. Gee
The atlas grid size: Mapping scales The atlas grid size: Mapping scales
No abstract available.
Authors
C.S. Robbins
The atlas grid size: Random sampling The atlas grid size: Random sampling
No abstract available.
Authors
C.S. Robbins