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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.
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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Dioxin residues in Lakeland sand and bald eagle samples Dioxin residues in Lakeland sand and bald eagle samples
No abstract available.
Authors
E.A. Wooson, P.D.J. Ensor, W. L. Reichel, A.L. Young
Distribution of red-winged blackbird (Adelaius phoeniceus L.) breeding populations in the Lake Erie region of the United States and Canada Distribution of red-winged blackbird (Adelaius phoeniceus L.) breeding populations in the Lake Erie region of the United States and Canada
No abstract available.
Authors
M.I. Dyer, D.B. Siniff, S.G. Curtis, J.S. Webb
Fish diseases Fish diseases
No abstract available at this time
Authors
G. L. Bullock, R.E. Putz, S. F. Snieszko
Great Lakes Fishery Laboratory Great Lakes Fishery Laboratory
No abstract available.
Authors
Howard D. Tait
Helminths and leeches Helminths and leeches
No abstract available at this time
Authors
G. L. Hoffman
Herpesviruses of lower vertebrates Herpesviruses of lower vertebrates
No abstract available at this time
Authors
K. Wolf
Mare ridges and related studies: Part C: lunar thrust faults in the Taurus-Littrow region Mare ridges and related studies: Part C: lunar thrust faults in the Taurus-Littrow region
"Wrinkle ridges" in the Taurus-Littrow region along the eastern margin of the Mare Serenitatis appear very fresh and are probably among the youngest on the Moon. They include both mare ridges and similar-looking one-sided scarps. Evidence will be presented here to suggest that these ridges and scarps may be anticlines and thrust faults that resulted from sliding on a décollement surface
Authors
K. A. Howard, W.R. Muehlberger
Mare ridges and related studies: Part D: small structures of the Taurus-Littrow region Mare ridges and related studies: Part D: small structures of the Taurus-Littrow region
Apollo 17 permission geologic studies of the Taurus-Littrow region of the Moon revealed numerous small structures, in both mare and terra, having somewhat similar morphologies and variously resembling fault scarps, flow fronts, and mare ridges. Many of these features are too small to be identified on Lunar Orbiter IV photographs, which provided the most comprehensive, high-resolution...
Authors
David H. Scott
Pesticide residues in birds and mammals Pesticide residues in birds and mammals
SUMMARY: Residues of organochlorine pesticides and their breakdown products are present in the tissues of essentially all wild birds throughout the world. These chemicals accumulate in fat from a relatively small environmental exposure. DDE and dieldrin are most prevalent. Others, such as heptachlor epoxide, chlordane, endrin, and benzene hexachloride also occur, the quantities and kinds
Authors
L.F. Stickel