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68930 results.

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Page 1988, results 49676 - 49700

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Geohydrology of the Lloyd aquifer, Long Island, New York
M. S. Garber
1986, Water-Resources Investigations Report 85-4159
The Lloyd aquifer contains only about 9% of the water stored in Long Island 's groundwater system but is the only source of potable water for several communities near the north and south shores. The Lloyd aquifer is virtually untapped throughout most of central Long Island because current legal restrictions...
Ground-water movement in the upper glacial aquifer in the Manorville area, Town of Brookhaven, Long Island, New York, in November 1983
D. A. Eckhardt, E. J. Wexler
1986, Water-Resources Investigations Report 85-4035
Water levels in 52 wells near the Manorville scavenger-waste disposal facility in the Town of Brookhaven were measured in November 1983 to determine the direction and gradients of groundwater flow in the upper glacial aquifer. Groundwater moves south-southeastward (S22 degrees E) from the groundwater divide, about 6 miles north of...
Water resources of Clallam County, Washington: Phase I report
B. W. Drost
1986, Water-Resources Investigations Report 83-4227
An inventory of the water resources of Clallam County, Washington, showed that sufficient water is available to supply all present demands. Domestic water supplies can be obtained from wells drilled 100 ft or less into glacial and alluvial deposits; in areas underlain by bedrock, wells more than 100 ft deep...
Variability in base streamflow and water quality of streams and springs in Otter and Rosebud Creek basins, southeastern Montana
J. H. Lambing, R. F. Ferreira
1986, Water-Resources Investigations Report 85-4302
The results of three base-flow studies conducted on Otter and Rosebud Creeks during 1977, 1978, and 1983 are summarized and compared to assess the variability of base-flow magnitude and water quality during years of widely different precipitation. Chemical analyses for springs in these basins also are presented to provide and...
Effects of barge traffic on distribution and survival of ichthyoplankton and small fishes in the upper Mississippi River
L. E. Holland
1986, Transactions of the American Fisheries Society (115) 162-165
Short‐term impacts of commercial barge traffic on fish eggs, larvae, young‐of‐the‐year (age‐0) fishes, and small adults in the main channel of the upper Mississippi River were examined. Barge passages caused significant changes in the distribution of eggs and larvae in the study area. The mean catch of...
Long-term water-quality characteristics of Charlotte Harbor, Florida
T. H. Fraser
1986, Water-Resources Investigations Report 86-4180
Water-quality data for nine constituents collected from January 1976 through March 1984 in upper Charlotte Harbor were examined for evidence of trend (change) with time. Average seasonal patterns and moving averages were described to aid initial descriptions of variation. Multilinear regression models were developed using independent variables that are known...
Effects of urbanization on streamflow, sediment loads, and channel morphology in Pheasant Branch basin near Middleton, Wisconsin
W.R. Krug, G. L. Goddard
1986, Water-Resources Investigations Report 85-4068
A 5-year, data-collection and modeling study was conducted on Pheasant Branch basin in and near Middleton, Wisconsin. The objectives of the study were to: (1) describe the streamflow characteristics, sediment transport, and stream-channel morphology in the Pheasant Branch basin; and (2) relate the above factors to changes caused by urbanization...
Land subsidence
T.L. Holzer
1986, Earthquakes & Volcanoes (USGS) (18) 131-137
In November 1966, sixty percent of Venice, Italy, is inundated by a storm surge that causes waters in the Venetian lagoon to rise more than 6 feet. On December 28, 1971, a janitor at the Washington Elementary School in Johnston City, Illinois, discovers sever cracking of the school. In January...
Map of landfill locations, 1986
K.J. Lanfear
1986, Report
This is a point coverage of landfills shown in the 1986 National Water Summary Report (U.S. Geological Survey, 1987)....
Ground Water
Water Resources Division, U.S. Geological Survey
1986, Report
Some water underlies the Earth's surface almost everywhere, beneath hills, mountains,plains, and deserts. It's not always accessible, or fresh enough for use without treatment, and it's sometimes difficult to locate or to measure and descri be. This water may occur close to the land surface, as in a marsh, or...
Notes on sedimentation activities calendar year 1985
U.S. Interagency Advisory Committee on Water Data- Subcommittee on Sedimentation
1986, Report
This report is a digest of information furnished by Federal agencies conducting sedimentation investigations. The decision to publish the report was made in 1946, from a proposal by the Chairman of the Federal Interagercy River Basin Committee, Subcommittee on Ground Water. The subcommittee approved the proposal and agreed to issue...
Relationship of grade, tonnage, and basement lithology in volcanic-hosted epithermal precious-and base-metal quartz-adularia-type districts
D.L. Mosier, Donald A. Singer, T. Sato, N.J. Page
1986, Mining Geology (36)
Examination of grades, tonnages, and basement rocks for 88 epithermal precious- and base-metal quartz-adularia-type districts in North, Central, and South America, and Japan reveals that the type of basement rock below the mineralized veins is useful for predicting grade and size of deposits. Epithermal districts overlying basement with salt and...
Tidal hydraulics of San Francisco Bay
R. T. Cheng, L. H. Smith
1986, Conference Paper, Proceedings, symposium on San Joaquin Valley agriculture waste water and implications for the San Francisco Bay estuarine system,
Distribution and habitat of Nitellopsis obtusa (Characeae) in the Laurentian Great Lakes
Donald W. Schloesser, Patrick L. Hudson, S. Jerrine Nichols
1986, Hydrobiologia (133) 91-96
Nitellopsis obtusa, a macroalga (Characeae) native to Europe and Asia, was found in U.S. waters of the St. Clair-Detroit River system in 1983, thus extending the range of this taxon into the Laurentian Great Lakes about 850 km from the St. Lawrence River where it was first discovered...
Predictive models in hazard assessment of Great Lakes contaminants for fish
Dora R. May Passino
1986, Conference Paper, Proceedings of the technology transfer conference, part b: water quality research
A hazard assessment scheme was developed and applied to predict potential harm to aquatic biota of nearly 500 organic compounds detected by gas chromatography/mass spectrometry (GC/MS) in Great Lakes fish. The frequency of occurrence and estimated concentrations of compounds found in lake trout (Salvelinus namaycush) and walleyes (Stizostedion vitreum vitreum)...
Phytoplankton spatial distribution in south San Francisco Bay: mesoscale and small-scale variability
Thomas M. Powell, James E. Cloern, Roy A. Walters
Douglas A. Wolfe, editor(s)
1986, Book chapter, Estuarine variability
Horizontal transects of surface salinity and in-vivo fluorescence indicate the existence of three distinct spatial regimes in South San Francisco Bay. A mid-Bay region of low phytoplankton biomass with little small-scale variance is bounded to the north and south by water masses having higher in-vivo fluorescence and enhanced small-scale variability....
LANDSLIDE DAMMED LAKES AT MOUNT ST. HELENS, WASHINGTON.
William Meyer, Martha A. Sabol, Robert Schuster
Schuster Robert L., editor(s)
1986, Conference Paper
The collapse of the north face of Mount St. Helens on May 18, 1980, and the debris avalanche that resulted blocked outflow from Spirit Lake and Coldwater and South Fork Castle Creeks. Spirit Lake began to increase in size and lakes began to form in the canyons of Coldwater and...
ESTIMATION OF URBAN STORM-RUNOFF LOADS.
Nancy E. Driver, David J. Lystrom
Urbonas BenRoesner Larry A., editor(s)
1986, Conference Paper
The United States was divided into three regions, on the basis of mean annual rainfall, to decrease the variability in storm-runoff constituent loads and to improve regression relations with basin and climatic characteristics. Multiple-regression analyses, in progress, are being refined to determine the best regression models for each of the...
Beatty, Nevada: A section in U.S. Geological Survey research in radioactive waste disposal - Fiscal years 1983, 1984, and 1985 (WRI 87-4009)
Jeffrey M. Fischer, William D. Nichols
G.A. Dinwiddie, N.J. Trask, editor(s)
1986, Report, U.S. Geological Survey research in radioactive waste disposal - Fiscal years 1983, 1984, and 1985 (WRI 87-4009)
A commercial low-level radioactive-waste disposal site has been operating near Beatty, Nevada, about 150 km northwest of Las Vegas, since 1962. The 32-ha site is situated in a desolate region of the Amargosa River Valley, sometimes referred to as the Amargosa Desert. Average annual precipitation is only about 114 mm....