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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.
Filter Total Items: 6063
Habitat use by migrating whooping cranes in the Aransas-Wood Buffalo Corridor
No abstract available.
Authors
M.A. Howe
Late Cretaceous and Cenozoic evolution of the New Jersey continental slope and upper rise: an integration of borehole data with seismic reflection profiles
No abstract available.
Authors
C. Wylie Poag, Gregory S. Mountain
Lower Eocene calcareous nannofossil biostratigraphy beneath the Atlantic slope and upper rise off New Jersey: new zonation based on Deep Sea Drilling Project sites 612 and 613
No abstract available.
Authors
Page C. Valentine
Lower Paleozoic carbonate rocks of the Baird Mountains quadrangle, western Brooks Range, Alaska
Lower Paleozoic carbonate rocks in the Baird Mountains quadrangle form a relatively thin, chiefly shallow-water succession that has been thrust-faulted and metamorphosed to blueschist and greenschist facies. Although this succession was thought to be mostly Devonian until recently, a large part of it is in fact pre-Silurian in age.Middle and Upper Cambrian rocks - the first confirmed in the wester
Authors
Julie A. Dumoulin, Anita G. Harris
Regional unconformities cored on the New Jersey continental slope
No abstract available.
Authors
C. Wylie Poag, Doris Low
Relationships between nesting populations of wading birds and habitat features along the Atlantic Coast
Using previously published atlas data for 122 mixed-species wading bird colonies on islands along the Atlantic coast (Maine to Florida, 1976-77), we examined relationships between population sizes of 11 species of egrets, herons, ibises, and wood storks (Mycteria americana) and nine habitat variables. On nautical charts, we measured four island characteristics (area, length, width, shape), three i
Authors
R.M. Erwin, J. A. Spendelow, P.H. Geissler, B.K. Williams
Resource assessments, geologic deposit models, and offshore minerals with an example of heavy-mineral sands
A resource assessment method for offshore minerals based on descriptive and grade-tonnage models is proposed. Historical development and applications of this method are summarized. Based on this approach, descriptive and quantitative deposit models for strand-line titanium placer deposits have been developed. Descriptive statistics were also computed using the worldwide deposit data set upon which
Authors
Emil D. Attanasi, J. H. DeYoung, E. R. Force, Andrew Grosz