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Page 4687, results 117151 - 117175

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Holocene sedimentation in Richardson Bay, California
Cathy L. Connor
1983, Open-File Report 83-312
Examination of foraminifers, diatoms, ostracodes, clay mineralogy, and sediment-size variation from 9 borehole sites along the salt-marsh margins of Richardson Bay reveals a record of gradual infilling of fine-grained estuarine sediments. Over the past 10,000 years this area was transformed from a V-shaped Pleistocene stream valley to a flat-floored arm...
Ground-water resources of the Rutland area, Vermont
Richard E. Willey, David Butterfield
1983, Water-Resources Investigations Report 82-4057
Ground water in the Rutland area occurs both in the bedrock and the overlying unconsolidated glacial deposits. Bedrock in the area is composed of a series of metamorphic and igneous rocks. Water from wells drilled in bedrock can be obtained in sufficient quantities for domestic use nearly anywhere in the...
Geologic and geophysical investigations of Climax Stock intrusive, Nevada
Water Resources Division, U.S. Geological Survey
1983, Open-File Report 83-377
The Climax stock is a composite granitic intrusive of Cretaceous age, composed of quartz monzonite and granodiorite, which intrudes rocks of Paleozoic and Precambrian age. Tertiary volcanic rocks, consisting of ashflow and ash-fall tuffs, and tuffaceous sedimentary rocks overlie the sedimentary rocks and the stock. Erosion has removed much of...
Water resources of the Truk Islands
Otto Van der Brug
1983, Water-Resources Investigations Report 82-4082
The Truk Islands, part of the Caroline Islands in the western Pacific, consist of 19 volcanic islands and about 65 coral islets. The volcanic islands and some of the coral islets are scattered in an 820-square-mile lagoon enclosed by a 125-mile long barrier reef. Moen, although not the largest, is...
Water resources data, Michigan, water year 1982
J. B. Miller, J.L. Oberg, T. Sieger Jr.
1983, Water Data Report MI-82-1
Water resources data for the 1982 water year for Michigan consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water temperature of ground water. This report contains discharge records for 169 gaging stations; stage only...
Water resources data, New Mexico, water year 1982
Water Resources Division, U.S. Geological Survey
1983, Water Data Report NM-82-1
Water resources data for the 1982 water year for New Mexico consist of records of discharge and water quality of streams; stage, contents and water quality of lakes and reservoirs; and water levels and water quality in wells and springs. This report contains discharge records for 197 gaging stations; stage and...
Nonparametric tests for trends in water-quality data using the statistical analysis system
Charles G. Crawford, James R. Slack, Robert M. Hirsch
1983, Open-File Report 83-550
Two nonparametric procedures to test for trends in water-quality data (SEASKEN AND SEASRS) have been developed for the Statistical Analysis System* (SAS). The procedure SEASKEN tests for a monotonic trend in time by a modified form of Kendall's tau, the Seasonal Kendall test. The procedure SEASRS tests for a step...
Well yields and chemical quality of water from water-table aquifers in the greater Denver area, Front Range urban corridor, Colorado
D. E. Hillier, P. A. Schneider Jr., E. C. Hutchinson
1983, IMAP 856-J
Knowledge of the well yields and chemical quality of water from water-table aquifers is useful to State and local officials in making decisions on land use and in locating water supplies in the rapidly urbanizing greater Denver are. This report presents the results of a 2-year investigation to obtain this...
Hydrogeology of the Sarasota-Port Charlotte area, Florida
R. M. Wolansky
1983, Water-Resources Investigations Report 82-4089
The surficial and intermediate aquifers are the major source of public water supplies in the Sarasota-Port Charlotte, Florida, area because of the relatively poor quality of Floridan aquifer water. The hydrogeologic framework consists of the surficial aquifer, intermediate aquifers (Tamiami-upper Hawthorn and lower Hawthorn-upper Tampa aquifers) and confining beds, Floridan...