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Page 469, results 11701 - 11725

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Effect of the restricted use of phosphate detergent and upgraded wastewater-treatment facilities of water quality in the Chattahoochee River near Atlanta, Georgia
D. J. Wangsness, E. A. Frick, G. R. Buell, J.C. DeVivo
1994, Open-File Report 94-99
Data compiled for the six largest waste-water treatment facilities in Metropolitan Atlanta, Georgia, indicate about an 83-percent reduction in the phosphorus load discharged to the Chattahoochee River from 1988 to 1993 because of restricted use of phosphate detergents and upgraded treatment of municipal wastewater. This reduction resulted in about a...
Radionuclides, inorganic constituents, organic compounds, and bacteria in water from selected wells and springs from the southern boundary of the Idaho National Engineering Laboratory to the Hagerman area, Idaho, 1992
R. C. Bartholomay, D.D. Edwards, L.J. Campbell
1994, Open-File Report 94-76
Dissolved concentrations of radon-222, a naturally occurring radioactive gas, are found in water in Idaho. The U.S. Geological Survey collected water samples for radon-222 analyses from 339 Idaho wells and springs during 1989-91. These water samples were collected as part of ongoing monitoring programs with the Idaho Department...
Documentation of Model Input and Output Values Used for Analyses of Simulated Development in Stagecoac Valley, Lyon and Storey Counties, Western Nevada
Anne E. Carey
1994, Open-File Report 92-630
A previously published Geological Survey report (Professional Paper 1409-H) describes ground-water flow and simulated development scenarios in Stagecoach Valley, Lyon and Storey Counties, Nevada. This study was done as part of the Survey's Great Basin Regional Aquifer-Systems Analysis program. Documentation of model input and output values used for analysis of...
Flood of June 17, 1990, in the Clear Creek Basin, east-central Iowa
K.K. Barnes, D. A. Eash
1994, Open-File Report 94-78
A water-surface-elevation profile for the flood of June 17, 1990, in the Clear Creek Basin, east-central Iowa, is given in this report. The maximum flood-peak discharge of 10,200 cubic feet per second for the streamflow-gaging station on Clear Creek near Coralville, Iowa (station number 05454300), occurred on June 17, 1990....
A comparison of change detection methods using multispectral scanner data
Paul M. Seevers, Brenda K. Jones, Zhicheng Qiu, Yutong Liu
1994, Open-File Report 93-355
Change detection methods were investigated as a cooperative activity between the U.S. Geological Survey and the National Bureau of Surveying and Mapping, People's Republic of China. Subtraction of band 2, band 3, normalized difference vegetation index, and tasseled cap bands 1 and 2 data from two multispectral scanner images were...
Documentation of a spatial data-base management system for monitoring pesticide application in Washington
K.M. Schurr, S.E. Cox
1994, Open-File Report 93-492
The Pesticide-Application Data-Base Management System was created as a demonstration project and was tested with data submitted to the Washington State Department of Agriculture by pesticide applicators from a small geographic area. These data were entered into the Department's relational data-base system and uploaded into the system's ARC/INFO files. Locations...
Computer-science guest-lecture series at Langston University sponsored by the U.S. Geological Survey; abstracts, 1992-93
K. S. Steele (compiler)
1994, Open-File Report 94-86
Langston University, a Historically Black University located at Langston, Oklahoma, has a computing and information science program within the Langston University Division of Business. Since 1984, Langston University has participated in the Historically Black College and University program of the U.S. Department of Interior, which provided education, training, and funding...
Distribution and variability of nitrogen and phosphorus in the alluvial, High Plains, Rush Springs, and Blaine aquifers in western Oklahoma
C.J. Becker
1994, Open-File Report 94-41
Aquifers are the primary source of water for drinking and agricultural purposes in western Oklahoma. Health concerns about consuming nitrogen and an increased reliance on ground water for drinking necessitate a better understanding of the cause and effect of contamination from nutrients. The purpose of this project was to compile...
Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin; data on agricultural organic compounds, nutrients, and sediment in water, 1988-90
D. J. Sullivan, P. J. Terrio
1994, Open-File Report 93-421
This report describes the sampling design and methods and presents data collected to determine the distribution of agricultural organic compounds, nutrients, and sediment in selected areas of the upper Illinois River Basin as part of the National Water-Quality Assessment program. Four stations in small watersheds (two urban, two agricultural) were...
Directory of Member Organizations of the National Water Data Exchange (NAWDEX)
Cassandra D. Blackwell
1994, Open-File Report 94-535
The National Water Data Exchange (NAWDEX) is a national confederation of water-oriented organizations working together to improve access to water data. It consists of member organizations from all sectors of the water-data community. This Directory provides the names, addresses, and telephone numbers of all NAWDEX member organizations and their designated...
Crude-oil spill research project near Bemidji, Minnesota - Bibliography, 1984-1994
S. E. Smith, M. F. Hult
1994, Open-File Report 93-373
The U.S. Geological Survey began a research project at the site of a crude-oil spill near Bemidji, Minnesota in 1983. The project is part of the U.S. Geological Survey's Toxic Substances Hydrology Program. The objectives of research at the site are to obtain an understanding of the mobilization, transport, and...