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Page 1666, results 41626 - 41650

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Quality of runoff from small watersheds in the Twin Cities Metropolitan Area, Minnesota - A project plan
M. A. Ayers, G. A. Payne, Gary L. Oberts
1980, Open-File Report 80-592
A program of water-quality sampling to define the relationships between land use, watershed characteristics, and the quantity, quality, and timing of runoff has been started for the Twin Cities metropolitan area of Minnesota. Ten major watersheds were chosen as representative of conditions in the metropolitan area. Each will be sampled...
A preliminary report of the geohydrology of the Mississippi salt-dome basin
C. A. Spiers, L. A. Gandl
1980, Open-File Report 80-595
The U.S. Department of Energy is investigating the suitability of salt domes in the Mississippi salt-dome basin as repositories for storing radioactive wastes. The Department of Energy has requested that the U.S. Geological Survey describe the groundwater hydrology of the Mississippi salt-dome basin, giving special attention to direction and rate...
Analyses of water and dredged material from selected southern Louisiana waterways and selected areas in the Gulf of Mexico, 1976-78
Geraldine R. Stallworth, Helen F. Jordan
1980, Open-File Report 80-694
The U.S. Geological Survey was requested by the U.S. Army Corps of Engineers to provide water-quality data to evaluate the potential environmental effects of (1) dredging activities in selected navigable waterways of southern Louisiana and (2) the disposal of dredged material at selected areas in the Gulf of Mexico. Areas...
Water-resources investigations of the U.S. Geological Survey in Montana, October 1979 through September 1980
Water Resources Division, U.S. Geological Survey
1980, Open-File Report 80-222
This report describes water-resources investigations of the U.S. Geological Survey in Montana, October 1979 through September 1980. Programs consist of (1) collecting hydrologic data on a continuing basis, (2) conducting water-resources appraisals of surface and ground water, (3) conducting supportive research in hydrology and related fields, (4) disseminating water data...
Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Nabesna Quadrangle, Alaska
Edward H. Cobb, Donald H. Richter
1980, Open-File Report 80-927
These summaries of data on metallic and selected nonmetallic mineral occurrences and lists of selected references to them in Geological Survey, U.S. Bureau of Mines, and State of Alaska Division of Geological and Geophysical Surveys (and predecessor State and Territorial agencies) reports and maps and in one Geological Survey of...
Weather forecast needs from the viewpoint of hydrology
Donald M. Thomas, Thomas J. Buchanan
1980, Open-File Report 80-754
Hydrologists now depend on directly observed data in their forecasting and only infrequently use meteorological forecasts. Case studies show how reliable meteorological forecasts could be beneficial in flood and drought situations. Hydrologists need meteorological forecasts that recognize spatial variability, that are unbiased, and that have a specified degree of uncertainty....
Ground-water resources investigation in the Amran Valley, Yeman Arab Republic
G. Chase Tibbitts, James Aubel
1980, Open-File Report 80-774
A program of hydrologic studies and exploratory drilling was conducted intermittently between 1974 and 1978 to evaluate the water-bearing properties of the unconsolidated alluvial sediments and associated rocks in the semi-arid Amran Valley basin, an 800-square-kilometer area in north-central Yemen Arab Republic. Inventory data from 395 wells were compiled, observation...
A procedure for predicting concentrations of dissolved solids and sulfate ion in streams draining areas strip mined for coal
Hugh E. Bevans
1980, Open-File Report 80-764
Current trends in increased coal production neccessitate the development of techniques to appraise the environmental degradation that results from strip mining. A procedure is introduced for the prediction of dissolved-solids and sulfate-ion concentrations in streams draining strip-mined areas as functions of the percentage of the drainage area that has been...
Preliminary field geotechnical and geophysical logs from a drill hole in the Capps coal field, Cook Inlet region, Alaska
Alan F. Chleborad, Lynn A. Yehle, Henry R. Schmoll, Cynthia A. Gardner
1980, Open-File Report 80-393
The drilling and logging activity described in this report was undertaken in August 1979, as part of the Energy Lands program of the U.S. Geological Survey. The general objectives of the project, of which this work is a part, are to provide an understanding of the nature, location, and extent...
Hydrologic data for Okaloosa, Walton, and southeastern Santa Rosa counties, Florida
Jeffrey R. Wagner, L. R. Hayes, C.E. Lewis, D. E. Barr
1980, Open-File Report 80-741
This report presents hydrologic and water-quality data collected within Okaloosa, Walton, and southeastern Santa Rosa Counties in northwest Florida. The data are presented in graphs and tables. Groundwater data include descriptions of wells and test holes, analyses of water quality, water level measurements, hydrographs of water levels and chloride concentrations...
Ground-water data for the Riley and Andrews Resource Areas, southeastern Oregon
Paul J. Townley, Constance M. Soja, W.C. Sidle
1980, Open-File Report 80-419
Appraisals of the resources of selected management areas in eastern Oregon are being made by the U.S. Bureau of Land Mangement. To provide needed hydrologic information, the Bureau of Land Management requested the U.S. Geological Survey to inventory ground-water data for the Riley and Andrews Resource Areas. The inventory included...