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Page 5929, results 148201 - 148225

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Geology and ground water in Russian River Valley areas and in Round, Laytonville, and Little Lake Valleys, Sonoma and Mendocino Counties, California
G.T. Cardwell
1965, Water Supply Paper 1548
This report describes the occurrence, availability, and quality of ground water in seven valley areas along the course of the Russian River in Sonoma and Mendocino Counties, Calif., and in three valleys in the upper drainage reach of the Eel River in Mendocino County. Except for the westward-trending lower Russian...
Water in Georgia
Joseph Thomas Callahan, Lawrence E. Newcomb, James Walter Guerin
1965, Water Supply Paper 1762
Determination of uranium in natural waters
Franklin Butt Barker, J. O. Johnson, K.W. Edwards, B.P. Robinson
1965, Water Supply Paper 1696-C
A method is described for the determination of very low concentrations of uranium in water. The method is based on the fluorescence of uranium in a pad prepared by fusion of the dried solids from the water sample with a flux of 10 percent NaF 45.5 percent Na2CO3 , and...
Ground-water in the upper Star Valley, Wyoming
Eugene H. Walker
1965, Water Supply Paper 1809-C
The upper Star Valley covers about 55 square miles of lowland in the westernmost part of Wyoming. The altitude of the floor of the valley is 6,000-6,700 feet. The climate is cool; the growing season, short. Annual precipitation averages about 18 inches, and total precipitation in July and August averages...
Identification and measurement of chlorinated organic pesticides in water by electron-capture gas chromatography
William L. Lamar, Donald F. Goerlitz, LeRoy M. Law
1965, Water Supply Paper 1817-B
Pesticides, in minute quantities, may affect the regimen of streams, and because they may concentrate in sediments, aquatic organisms, and edible aquatic foods, their detection and their measurement in the parts-per-trillion range are considered essential. In 1964 the U.S. Geological Survey at Menlo Park, Calif., began research on methods for...
Water resources of the Humboldt River Valley near Winnemucca, Nevada
Philip M. Cohen
1965, Water Supply Paper 1795
This report, resulting from studies made by the U.S. Geological Survey as part of the interagency Humboldt River Research Project, describes the qualitative and quantitative relations among the components of the hydrologic system in the Winnemucca Reach of the Humboldt River valley. The area studied includes the segment of the...