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Page 4947, results 123651 - 123675

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Preimpoundment water quality in the Tioga River Basin, Pennsylvania and New York
Janice R. Ward
1981, Water-Resources Investigations Report 81-1
The water quality in the Tioga River basin was studied from September 1973 to September 1978, prior to impoundment by the U.S. Army Corps of Engineers. Results of the investigation will be used in the operation of three reservoirs that were in the final stages of construction in late 1979. Annual...
Use of flow-duration curves to evaluate effects of urbanization on streamflow patterns on Long Island, New York
Keith R. Prince
1981, Water-Resources Investigations Report 80-114
Streamflow patterns on Long Island, N.Y., have been changing over the last three decades in response to eastward population growth and urbanization. Flow-duration curves for nine streams in Nassau and Suffolk Counties indicate that, during this time, streams in urbanized areas have had increased peak flows and decreased base flows,...
Chemical quality of ground water in San Joaquin and part of Contra Costa Counties, California
Stephen K. Sorenson
1981, Water-Resources Investigations Report 81-26
Chemical water-quality conditions were investigated in San Joaquin and part of Contra Costa Counties by canvassing available wells and sampling water from 324 representative wells. Chemical water types varied, with 73 percent of the wells sampled containing either calcium-magnesium bicarbonate, or calcium-sodium bicarbonate type water. Substantial areas contain ground water...
Stormwater quality processes for three land-use areas in Broward County, Florida
Harold C. Mattraw Jr., Robert A. Miller
1981, Water-Resources Investigations Report 81-23
Systematic collection of rainfall, runoff, and water-quality samples from three small urban areas of Broward County, Florida, were obtained between 1974 and 1977. Stormwater loads for 30 or more storms were computed for the residential, highway, and commercial investigation areas. Stepwise, multiple, linear regression models were constructed for total nitrogen,...
Streamflow characteristics of the Hudson Bay and Upper Missouri River Basins, Montana, through 1979
Ronald R. Shields, Melvin K. White
1981, Water-Resources Investigations Report 81-32
Statistical summaries of streamflow data for selected gaging stations are presented in this report to aid in appraising the hydrology of the Hudson Bay and upper Missouri River basins in Montana. Streamflow records are presented for 122 gaging stations for the period of record of each station. Streamflow-record collection in...
Hydrologic reconnaissance near Fourth of July Creek, Seward, Alaska
Gordon L. Nelson
1981, Water-Resources Investigations Report 81-21
The 1.3-square-mile alluvial fan of Fourth of July Creek, Seward , Alaska, is being developed as an industrial area and port. Fourth of July Creek is a glacier-fed stream that occupies a braided channel near the middle of the fan. The presence of glacial flow during the summer and low...
Quality of surface water before implementation of a flood-control project in Chaska, Minnesota
L. H. Tornes
1981, Water-Resources Investigations Report 81-83
Samples were collected for 1 year from East Creek, Chaska Creek, and Courthouse Lake in Chaska, Minnesota, to determine the water quality before implementation of a flood-control project proposed by the U.S. Army Corps of Engineers. The creeks had similar water-quality characteristics. Data indicate that ground water may be the...
Extraction and analysis of adenosine triphosphate from aquatic environments
Doyle W. Stephens, David J. Shultz
1981, Water-Resources Investigations Report 81-5
A variety of adenosine triphosphate (ATP) extraction procedures have been investigated for their applicability to samples from aquatic environments. The cold sulfuric-oxalic acid procedure was best suited to samples consisting of water, periphyton, and sediments. Due to cation and fulvic acid interferences, a spike with a known quantity of ATP...
Effect of snowmelt on the quality of Filson Creek and Omaday Lake, northeastern Minnesota
Donald I. Siegel, L. E. Anderson, J. A. Rogalla
1981, Water-Resources Investigations Report 81-66
Concentrations of major constituents were determined in the surface water, ground water, and precipitation in Filson Creek watershed to evaluate the effects of acid precipitation on surface-water quality during snowmelt. Concentrations of sulfate increased in Filson Creek and Omaday Lake during snowmelt from less than 2 to 12 milligrams per...
Hydrogeologic setting of the Glacial Lake Agassiz Peatlands, northern Minnesota
Donald I. Siegel
1981, Water-Resources Investigations Report 81-24
Seven test holes drilled in the Glacial Lake Agassiz Peatlands indicate that the thickness of surficial materials along a north-south traverse parallel to Minnesota Highway 72 ranges from 163 feet near Blackduck, Minnesota to 57 feet about 3 miles south of Upper Red Lake. Lenses of sand and gravel occur...
Erodibility of selected soils and estimates of sediment yields in the San Juan Basin, New Mexico
Rebecca M. Summer
1981, Water-Resources Investigations Report 81-44
Onsite rainfall-simulation experiments were conducted to derive field-erodibility indexes for rangeland soils and soils disturbed by mining in coal fields of northwestern New Mexico. Mean indexes on rangeland soils range from 0 grams (of detached soil) on dune soil to 121 grams on wash-transport zones. Mean field-erodibility-index values of soils...
Water type and suitability of Oklahoma surface waters for public supply and irrigation; Part 2: Salt Fork Arkansas and Cimarron River basins through 1978
Jerry D. Stoner
1981, Water-Resources Investigations Report 81-39
Water-quality data in the Salt Fork Arkansas and Cimarron River basins within Oklahoma, through 1978, were examined for water type and suitability for public water supply and irrigation use. Of 76 stations with available data, 32 stations or 42 percent were considered to have sufficient data for analysis. The classification...
An observation-well network concept as applied to North Carolina
M. D. Winner Jr.
1981, Water-Resources Investigations Report 81-13
A statewide observation-well program is proposed for North Carolina based on four networks of observation wells with different but clearly-defined objectives. These are referred to as the (1) climatic-effects network, (2) terrane-effects network, (3) local-effects network, and (4) areal-effects network. The characteristics of each network are related to natural and...
Water type and suitability of Oklahoma surface waters for public supply and irrigation; Part I, Arkansas river mainstem and Verdigris, Neosho, and Illinois river basins through 1978
Jerry D. Stoner
1981, Water-Resources Investigations Report 81-33
Water-quality data in the Arkansas River mainstem and the Verdigris, Neosho, and Illnois River basins are examined for water type and suitability for public water supply and for irrigation use. The classification of water type is based on the relation of the major ions -- calcium, magnesium, sodium, bicarbonate/carbonate, sulfate,...
Paleomagnetic study of the As Sarat volcanic field, southwestern Saudi Arabia
Karl S. Kellogg, Richard L. Reynolds
1981, Open-File Report 81-675
Four stratigraphic sections through alkali basalt flows of Oligocene-Miocene age (24 to 29 m.y.) in the As Sarat volcanic field, southwestern Saudi Arabia, were sampled for paleomagnetic study. Forty-two magnetically acceptable flows (139 samples) yield a mean direction of magnetization of D=-4.7°, 1=15.2° (α95=4.3°), which defines a paleomagnetic pole at...
Model of the ground-water flow system of the Gordo and Eutaw aquifers in west-central Alabama
Richard Alfred Gardner
1981, Open-File Report 80-422
Hydrologic conditions for a two-aquifer system consisting of the Gordo and Eutaw aquifers of Cretaceous age in west-central Alabama were simulated using a three-dimensional finite difference digital model. The model was calibrated to observed heads in the aquifers using a least squares method for obtaining the values for hydraulic parameters...
Preliminary composite magnetic anomaly map of part of the Northwestern United States
Isidore Zietz
1981, Open-File Report 81-835
The magnetic anomaly data open-filed in this report represent part of a much larger data set covering most of the conterminous United States. The anomaly map consists of 10 sheets covering an area in the northwestern United States. These were prepared primarily from existing aeromagnetic data, and secondarily from ground...
Western hemisphere strong-motion accelerograph station list, 1980
J. Switzer, D. Johnson, R. Maley, R. Matthiesen
1981, Open-File Report 81-664
This list contains information on western hemisphere strong-motion stations that have been installed and are maintained by many different organizations. It contains information on all of those stations for which there is some data in the files of the USGS, but the list is incomplete even for stations in the...
A socioeconomic assessment of the Cache Creek drilling site, Wyoming
Wyoming Research Corp.
1981, Open-File Report 81-862
This report analyzes the potential socioeconomic impacts of drilling two exploratory wells in the immediate vicinity of Jackson, Wyoming in Cache Creek Canyon and Little Granite Creek Canyon.The following conclusions are derived from a review of population projections, an analysis of secondary socioeconomic information, informal interviews of local residents, and...