Waverly J. Person
Henry Spall, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 170-173
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Publication Extents
Not all publications have extents, not all extents are completely accurateHenry Spall, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 23-23
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J.E. Spallholz, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 192-192
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Henry Spall, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 212-214
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Henry Spall, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 184-187
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Henry Spall, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 22-22
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Henry Spall, editor(s)
1984, Earthquake Information Bulletin (USGS) (16) 10-11
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1984, Earthquake Information Bulletin (USGS) (16) 44-51
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S.W. Hager, D.D. Harmon, A.E. Alpine
1984, Estuarine, Coastal and Shelf Science (19) 193-204
Particulate nitrogen (PN) and chlorophyll a (Chla) were measured in the northern reach of San Francisco Bay throughout 1980. The PN values were calculated as the differences between unfiltered and filtered (0·4 μm) samples analyzed using the UV-catalyzed peroxide digestion method. The Chla values were measured spectrophotometrically, with corrections made for phaeopigments. The...
Gary Wedemeyer, C.P. Goodyear
O. Kinne, editor(s)
1984, Book chapter, Diseases of Marine Animals. Volume IV, Part 1: Introduction, Pisces
The use of the terms 'stress' and 'stressor' is sometimes inconsistent (e.g., Pickering, 1981). The term 'stressor' should be used to describe environmental or other factor intensities severe enough to require a compensatory response at any level of biological organization. A stressor is normally extrinsic. The term 'stress' indicates the...
Gary Wedemeyer, D. McLeay, C.P. Goodyear
V.W. Carins, P. V. Hodson, J. Nriagu, editor(s)
1984, Book chapter, Contaminant effects on fisheries
Environmental stress is an inescapable aspect of life in the aquatic environment. The chemical and physical demands of life underwater impose somewhat rigorous constraints on aquatic species (Smith, 1982a). Superimposed on such demands may be the additional. physiological constraints of particular ecological niches. It is true that aquatic species...
S.P. Marsh, S.J. Kropschot, R. G. Dickinson, editor(s)
1984, Professional Paper 1300-1
Under the provisions of the Wilderness Act (Public Law 88-577, September 3, 1964) and subsequent related legislation, the U.S. Geological Survey (USGS) and the U.S. Bureau of Mines (USBM) have been conducting mineral surveys of wilderness and primitive areas, and of other national forest lands being considered for wilderness designation....
Richard E. Krause
1984, Georgia Geologic Survey Information Circular 62
A compilation of ground-water data that have been collected for nearly 100 years in the coastal area of Georgia is presented in this report. The compilation of pertinent data indicates what information is available for use in the evaluation of the ground-water resources of the 13 counties of coastal Georgia....
J. W. Hood, D.J. Patterson
1984, Technical Publication 78
This report presents the results of a study of bedrock aquifers in the northern San Rafael Swell area, Utah (fig. 1), with special emphasis on the Navajo Sandstone of Triassic(?) and Jurassic age. The study was made by the U.S. Geological Survey in cooperation with the Utah Department of Natural...
Walter F. Holmes
1984, Technical Publication 79
The principal ground-water reservoir in the Sevier Desert is the unconsolidated basin fill. The fill has been divided generally into aquifers and confining beds, although there are no clearcut boundaries between these units--the primary aquifers are the shallow and deep artesian aquifers. Recharge to the ground-water reservoir is by infiltration...
Joseph S. Gates, Judy I. Steiger, Ronald T. Green
1984, Technical Publication 77
During July 1978 to June 1980, the U.S. Geological Survey conducted a reconnaissance of ground-water conditions and ground- and surface-water relationships in the central Weber River area. This reconnaissance was done in cooperation with the Utah Department of Natural Resources, Division of Water Rights.The study area is a series of...
Water Resources Division, U.S. Geological Survey
1984, Report
The mission of the Geological Survey is to collect, organize, interpret, and publish information about the nation's energy, minerals, water, and land resources; and to determine the geologic structure of the United States and develop an understanding of earth processes and hydrologic principles....
Joseph P. McCraren, editor(s)
1984, University of Maryland Sea Grant Publication UM-SG-MAP-84-01
No abstract available at this time....
J. P. McCraren
1984, University of Maryland Sea Grant Publication UM-SG-MAP-84-01
No abstract available at this time...
Water Resources Division, U.S. Geological Survey
1984, Report
The fiscal year 1983 Yearbook summarizes the activities of the U.S. Geological Survey in response to its scientific and regulatory missions....
T. H. Nilsen
1984, Geo-Marine Letters (3) 167-171
The Eocene Butano Sandstone was deposited as a submarine fan in a relatively small, partly restricted basin in a borderland setting. It is possibly as thick as 3000 m and was derived from erosion of nearly Mesozoic granitic and older metamorphic rocks located to the south. Deposition was at lower...
T. H. Nilsen, E. Abbate
1984, Geo-Marine Letters (3) 193-197
The Upper Cretaceous and Paleocene Gottero Sandstone was deposited as a small deep-sea fan on ophiolitic crust in a trench-slope basin. It was thrust northeastward as an allochthonous sheet in Early and Middle Cenozoic time. The Gottero, as thick as 1500 m, was probably derived from erosion of Hercynian granites...
W. R. Normark, C. E. Gutmacher, T. E. Chase, P. Wilde
1984, Geo-Marine Letters (3) 93-99
Monterey Fan is the largest modern fan off the California shore. Two main submarine canyon systems feed it via a complex pattern of fan valleys and channels. The northern Ascension Canyon system is relatively inactive during high sea-level periods. In contrast, Monterey Canyon and its tributaries to the south cut...
D. G. Howell, J. G. Vedder
1984, Geo-Marine Letters (3) 187-192
Remnants of an Eocene fan system are preserved onshore at San Diego and in the central part of the southern California borderland. Even though faults and erosion have truncated its margins, geophysical data and exploratory wells indicate that remaining parts of the fan extend beneath an offshore area nearly 400-km...
D.V. Vivit, J.W. Ball, E. A. Jenne
1984, Environmental Geology and Water Sciences (6) 79-90
Measurements of low-level dissolved-sulfide concentrations in estuarine water from San Francisco Bay have been made using the sulfide-specific electrode after preservation, separation, and preconcentration of the sulfide species. The separation and preconcentration were acheived by coprecipitation of ZnS with Zn(OH)2 followed by collection and dissolution of the precipitate, giving concentration...