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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 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

Masked Bobwhite Recovery Plan

The following steps, as outlined in the plan, must be implemented before considering reclassification of the endangered masked bobwhite: 1) reestablishment of three or more self-sustaining populations in Arizona; 2) maintenance and/or reestablishment of one or more self-sustaining populations in Mexico; and 3) permanent protection of all habitat supporting these populations. (In the plan, a self-s
Authors
D.E. Brown, D. H. Ellis, S.W. Hoffman
By
Ecosystems Mission Area, Eastern Ecological Science Center

Maui-Molokai forest birds recovery plan, May 1984

No abstract available.
Authors
C.B. Kepler, T. Burr, C.B. Cooper, D. Dunatchik, J. Medeiros, J. M. Scott, M. Ueoko, W. Wong
By
Ecosystems Mission Area, Eastern Ecological Science Center

An earth-science bibliography of the Arabian Peninsula and surrounding area, 1982 supplement

An interagency report prepared by the U.S. Geological Survey Saudi Arabian Mission for the Ministry of Petroleum and Mineral Resources, Kingdom of Saudi Arabia.
Authors
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Organic Geochemistry of Sediments Recovered by DSDP/IPOD Leg 75 from under the Benguela Current

No abstract available.
Authors
P.A. Meyers, S. Brassell, A.Y. Huc, E.J. Barron, R.E. Boyce, Walter E. Dean, W.W. Hayes, Barbara H. Keating, C.L. McNulty, R.E. Schallreuter, Jean-Claude Sibuet, J.C. Steinmetz, D.A.V. Stow, Herbert Stradner
By
Geosciences and Environmental Change Science Center

A draft habitat suitability index (HSI) model for gray partridge

No abstract available.
Authors
A.W. Allen, P.J. Sousa

A reclamation planning and evaluation process based on the habitat evaluation procedures

No abstract available.
Authors
P.L. Dittberner, M. Schamberger, R.J. Haynes

Rehabilitation and revegetation: environmental report

No abstract available.
Authors
John F. Schindler, Phillip D.J. Smith

Grizzly bears that kill livestock

No abstract available.
Authors
R. R. Knight, S.L. Judd

A Handbook of Animal Radio-Tracking

No abstract available.
Authors
L. D. Mech
By
Ecosystems Mission Area, Eastern Ecological Science Center

Birds of North America - A Guide to Field Identification

No abstract available.
Authors
C.S. Robbins, B. Bruun, H.S. Zim
By
Ecosystems Mission Area, Eastern Ecological Science Center

Effects of the insecticide, orthene, on unconfined populations of the meadow vole (Microtus pennsylvanicus). I. Capture/recapture procedures; II. Residues and cholinesterase inhibition

In 1982 and 1983. the population demography of M. pennsylvanicus was not altered significantly by single or double applications of Orthene. Although inconsistencies in population size, survival, and recruitment were not explained by differences between control and experimental grids in breeding, emigration, interspecific competition, or pesticide-induced mortality, there may have been fundamental
Authors
David A. Jett
By
Ecosystems Mission Area, Eastern Ecological Science Center

Everglade Kite Recovery Plan

No abstract available.
Authors
T. Martin, A. Sprunt, P.W. Sykes, L.E. Williams
By
Ecosystems Mission Area, Eastern Ecological Science Center