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Page 4429, results 110701 - 110725

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Water withdrawal and use in Maryland, 1986
J. C. Wheeler
1990, Open-File Report 88-714
During 1986, about 1,460 million gallons per day of freshwater was withdrawn from the surface-, and groundwater resources of Maryland. In addition, more than 6,240 million gallons per day of saline surface water was withdrawn and used primarily for cooling purposes in the generation of electricity. Most freshwater withdrawals (84%)...
A water-resources data-network evaluation for Monterey County, California, phase 3: Northern Salinas River drainage basin
W. E. Templin, R. C. Schluter
1990, Water-Resources Investigations Report 89-4123
This report evaluates existing data collection networks and possible additional data collection to monitor quantity and quality of precipitation, surface water, and groundwater in the northern Salinas River drainage basin, California. Of the 34 precipitation stations identified, 20 were active and are concentrated in the northwestern part of the study...
Water-quality data-collection activities in Colorado and Ohio; Phase III, evaluation of existing data for use in assessing regional water-quality conditions and trends
J. Michael Norris, Janet Hren, Donna N. Myers, Thomas H. Chaney, Carolyn J. Oblinger Childress
1990, Open-File Report 89-391
During the past several years, a growing number of questions have been raised by members of Congress and others about the status of current waterquality conditions in the Nation, trends in water quality, and the major factors that affect water-quality conditions and trends. One area of particular interest and concern...
Hydrologic and water-quality data for streams and impoundments in the Coteau des Prairies-Upper Minnesota River basin, 1979-84
C.J. Smith, G. A. Payne, L. H. Tornes
1990, Open-File Report 88-84
Water-quality and streamflow data were collected in the Coteau des Prairies region of southwestern Minnesota and eastern South Dakota from 1979- 84. Data were collected to (1) document the water-quality characteristics of streams and impoundments in the Coteau area, (2) predict the impact of proposed impoundments, (3) define the amount...
Geohydrology and water quality of the Roubidoux Aquifer, northeastern Oklahoma
Scott C. Christenson, David L. Parkhurst, Roy W. Fairchild
1990, Open-File Report 90-570
The Roubidoux aquifer is an important source of freshwater for public supplies, commerce, industry, and rural water districts in northeastern Oklahoma. Ground-water withdrawals from the aquifer in 1981 were estimated to be 4.8 million gallons per day, of which about 90 percent was withdrawn in Ottawa County. Wells drilled at...
An enhanced digital line graph design
Stephen C. Guptill
Stephen C. Guptill, editor(s)
1990, Circular 1048
In response to increasing information demands on its digital cartographic data, the U.S. Geological Survey has designed an enhanced version of the Digital Line Graph, termed Digital Line Graph - Enhanced (DLG-E). In the DLG-E model, the phenomena represented by geographic and cartographic data are termed entities. Entities represent individual...