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Page 5494, results 137326 - 137350

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Gravity and magnetic studies of The Geysers-Clear Lake geothermal region, California
William F. Isherwood
1975, Open-File Report 75-368
In order to explore for economic steam reservoirs, it is important to know the complete, three-dimensional geology which governs such a system. The Geysers-Clear Lake region California (figure 1), has the world's largest production of commercial power from a dry steam geothermal reservoir. This paper describes gravity and magnetic field...
Techniques for water demand analysis and forecasting: Puerto Rico, a case study
E. D. Attanasi, E.R. Close, M. A. Lopez
1975, Open-File Report 75-94
The rapid economic growth of the Commonwealth-of Puerto Rico since 1947 has brought public pressure on Government agencies for rapid development of public water supply and waste treatment facilities. Since 1945 the Puerto Rico Aqueduct and Sewer Authority has had the responsibility for planning, developing and operating water supply and...
Surface-water availability, Tuscaloosa County, Alabama
Alfred L. Knight, Marvin E. Davis
1975, Open-File Report 75-458
The average annual runoff, about 1,270 mgd (million gallons per day), originating in Tuscaloosa County is equivalent to 20 inches or 0.95 mgd per square mile. The Black Warrior and Sipsey Rivers, the largest streams in the county, have average flows of 5,230 mgd and 580 mgd, respectively, where they...
Environmental tritium in the Edwards Aquifer, central Texas 1963-71
Frederick Joseph Pearson, Paul L. Rettman, T.A. Wyerman
1975, Open-File Report 74-362
Tritium concentrations of samples from 50 wells and springs in the Edwards aquifer in the San Antonio area of Texas have been analysed. Tritium now in the aquifer is partly natural cosmic ray produced tritium, but most is tritium produced by atmospheric thermonuclear tests in the 1950's and early 1960's....