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Page 4698, results 117426 - 117450

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Hydrogeologic and water-quality characteristics of the Mount Simon-Hinckley aquifer, southeast Minnesota
R. J. Wolf, J. F. Ruhl, D. G. Adolphson
1983, Water-Resources Investigations Report 83-4031
The Mount Simon-Hinckley aquifer in southeast Minnesota consists of a thick sequence of sandstone that generally yields large quantities of good-quality water to wells. The aquifer is most important as a source of water supply in the Twin Cities area, where it supplies approximately 10 percent of the ground water...
Identification and classification of perennial streams of Arkansas
R. A. Hunrichs
1983, Water-Resources Investigations Report 83-4063
Perennial streams are identified in a map and classified according to the relative magnitude of their 7-day, 10-year low flows. Perennial streams are identified for the entire State of Arkansas with the exception of the Mississippi Alluvial Plain. Also presented are the 7-day, 10-year low flow values at continuous-record and...
Numerical simulation of ground-water flow in lower Satus Creek Basin, Yakima Indian Reservation, Washington
E. A. Prych
1983, Water-Resources Investigations Report 82-4065
A multilayer numerical model of steady-state ground-water flow in lower Satus Creek basin was constructed, calibrated using time-averaged data, and used to estimate the long-term effects of proposed irrigation-water management plans on ground-water levels in the area. Model computations showed that irrigation of new lands in the Satus uplands would...
General hydrology and external sources of nutrients affecting Pine Lake, King County, Washington
N. P. Dion, S. S. Sumioka, T. C. Winter
1983, Water-Resources Investigations Report 83-4057
An adjusted water budget prepared for Pine Lake, a candidate for lake-quality restoration, indicates that of approximately 790 acre-feet of water that enters the lake in a typical year, 410 acre-feet is from precipitation, 350 acre-feet is from surface inflow, and 30 acre-feet is from ground-water seepage. A nearly equal...
Species Profiles: Life histories and environmental requirements (Gulf of Mexico): Brown shrimp
Dennis R. Lassuy
1983, FWS/OBS 82/11.1
Species profiles are literature summaries on the taxonomy, morphology, range, life history, and environmental requirements of coastal aquatic species. They are designed to assist in environmental impact assessment. The brown shrimp, Penaeus aztecus, is the major species in the Gulf of Mexico shrimp fishery, the most valuable $302 million in...
Trace-element geochemistry of postorogenic granites from the northeastern Arabian Shield, Kingdom of Saudi Arabia
John S. Stuckless, R. J. Knight, G. VanTrump, J. R. Budahn
1983, Open-File Report 83-287
Concentrations determined for all of the trace elements included in this study of postorogenic granites from the northeastern Arabian Shield are best described by log-normal distributions. The trace elements are divided into two groups: (1) compatible lithophile and siderophile elements (strontium, cobalt, scandium, manganese, europium, and titanium) and (2) incompatible...
The U.S. Geological Survey's water resources program in New York
Denise A. Wiltshire
1983, Open-File Report 83-270
The U.S. Geological Survey performs hydrologic investigations throughout the United States to appraise the Nation's water resources. The Geological Survey began its water-resources investigations in New York in 1895. To meet the objectives of assessing New York's water resources, the Geological Survey (1) monitors the quantity and quality of surface...
Urban flood analysis in Oklahoma City, Oklahoma
Robert L. Tortorelli, T.L. Huntzinger, D. L. Bergman, A.L. Patneaude
1983, Open-File Report 83-26
Flood insurance study information from the Federal Emergency Management Agency is utilized to estimate future flood hazard in Oklahoma City, Oklahoma. Techniques are described for estimating future urban runoff estimates. A method of developing stream cross section rating curves is explained. Future runoff estimates are used in conjuction with the...
Quartz-molybdenite veins in the Priestly Lake granodiorite, north-central Maine
Robert A. Ayuso, Stephen G. Shank
1983, Open-File Report 83-800
Quartz-molybdenite veins up to 15 cm in width occur in fine to medium-grained porphyritic biotite-hornblende granodiorite at Priestly Lake north-central Maine. An area of about 150 m x 150 m contains quartz-molybdenite veins; a larger area is characterized by barren quartz veins. Quartz-molybdenite veins are concentrated within the most felsic...
Selected hydrologic data, Kolob-Alton-Kaiparowits coal-fields area, south-central Utah
Gerald G. Plantz
1983, Open-File Report 83-871
The Kolob-Alton-Kaiparowits coal-field area (pi. 1) includes about 4,500 square miles in parts of the Colorado River Basin and the Great Basin. The area varies in altitude from less than 4,000 to more than 10,000 feet, and is comprised chiefly of plateaus, benches, and terraces that are dissected by deep,...