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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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Quantitative studies of biodegradation of petroleum and some model hydrocarbons in ground water and sediment environments: Chapter 20 Quantitative studies of biodegradation of petroleum and some model hydrocarbons in ground water and sediment environments: Chapter 20
No abstract available.
Authors
Fu-Hsian Chang, M. F. Hult, N.N. Noben
Recording and processing procedures for multi-channel seismic-reflection data collected in the western Ross Sea, Antarctica Recording and processing procedures for multi-channel seismic-reflection data collected in the western Ross Sea, Antarctica
During 1984, over 2300 km of multichannel seismic-reflection data were recorded by the U.S. Geological Survey in the western Ross Sea and Iselin Bank regions. A temporary loss and sinking of the streamer led to increasing the streamer tow depth to 20 m, which resulted in some attenuation of frequencies in the 30-50 Hz range but no significant difference in resolution of the stacked data...
Authors
Shawn V. Dadisman, Holly F. Ryan, Dennis M. Mann
Rocky Mountains Rocky Mountains
The Rocky Mountain region is one of the most topographically distinct and impressive parts of North America. The Rocky Mountains rise abruptly above the bordering regions, particularly on the east and northeast where they are flanked by plains, less so on the west and southwest where they are bounded by high plateaus. The Rocky Mountains comprise more than 100 individually named ranges...
Authors
Richard F. Madole, W.C. Bradley, D.S. Loewenherz, D.F. Ritter, N.W. Rutter, C.E. Thorn
Post-fire demography of resprout and seedling establishment by Adenostoma fasciculatum in the California chaparral Post-fire demography of resprout and seedling establishment by Adenostoma fasciculatum in the California chaparral
Adenostoma fasciculatum (chamise) forms the dominant element of chaparral ecosystems in California. This evergreen, ericoid-leaved shrub occurs as a codominant in mixed chaparral or an overwhelming dominant in chamise chaparral, being present in over 70% of the chaparral stands in the state (Hanes 1971). No other chaparral shrub approaches A. fasciculatum in community importance. Unlike...
Authors
P.W. Rundel, G.A. Baker, D.J. Parsons, T.J. Stohlgren
Discussion of: 'Conceptual models of sediment transport in streams' by R. L. Beschta Discussion of: 'Conceptual models of sediment transport in streams' by R. L. Beschta
No abstract available.
Authors
Robert T. Milhous
Discussion of: 'Bed load discharge equations for steep mountain rivers' by J. C. Bathurst Discussion of: 'Bed load discharge equations for steep mountain rivers' by J. C. Bathurst
No abstract available.
Authors
Robert T. Milhous
The relationship between habitat and furbearers The relationship between habitat and furbearers
No abstract available.
Authors
A.W. Allen
Some effects of acid mine drainage on Clear Creek, Colorado Some effects of acid mine drainage on Clear Creek, Colorado
No abstract available.
Authors
W. H. Ficklin, K. S. Smith, Katherine Walton-Day
Remanent magnetization of rocks of latest Cretaceous and earliest Tertiary age from drill core at York Canyon, New Mexico Remanent magnetization of rocks of latest Cretaceous and earliest Tertiary age from drill core at York Canyon, New Mexico
At the end of 1980, seven complete cores were recovered from a 30-m (100-ft) interval in the Raton Formation at York Canyon, New Mexico. The interval cored spans the palynologically defined Cretaceous-Tertiary boundary, which is marked by a distinctive noble metal–bearing claystone in the Raton basin. Azimuthal orientation of the cores can be recovered both from the average directions of...
Authors
Eugene Merle Shoemaker, Charles L. Pillmore, Edward W. Peacock
Passive margins: U.S. Geological Survey Line 19 across the Georges Bank basin Passive margins: U.S. Geological Survey Line 19 across the Georges Bank basin
Georges Bank is a shallow part of the Atlantic continental shelf southeast of New England (Emery and Uchupi, 1972, 1984). This bank, however, is merely the upper surface of several sedimentary basins overlying a block-faulted basement of igneous and metamorphic crystalline rock. Sedimentary rock forms a seaward-thickening cover that has accumulated in one main depocenter and several...
Authors
Kim D. Klitgord, John S. Schlee, John A. Grow