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Page 535, results 13351 - 13375

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Reconnaissance of surface-water resources in the Togiak River basin, southwestern Alaska, 1980 and 1982
D.R. Kernodle, R.R. Squires, J.M. Childers
1983, Water-Resources Investigations Report 83-4170
Data collected during August and September 1980 and March 1982 describe hydrologic characteristics of the Togiak River and its tributaries. Surface waters are generally cold and clear, have significant wilderness recreation values, and provide outstanding salmon habitat. Late summer unit runoff ranged from 2.3 to 8.1 cubic feet per second...
Application of remote-sensing techniques to hydrologic studies in selected coal-mined areas of southeastern Kansas
J. F. Kenny, J. R. McCauley
1983, Water-Resources Investigations Report 83-4007
Disturbances resulting from intensive coal mining in the Cherry Creek basin of southeastern Kansas were investigated using color and color-infrared aerial photography in conjunction with water-quality data from simultaneously acquired samples. Imagery was used to identify the type and extent of vegetative cover on strip-mined lands and the extent and...
Evaluation of the San Dieguito, San Elijo, and San Pasqual hydrologic subareas for reclaimed water use, San Diego County, California
J. A. Izbicki
1983, Water-Resources Investigations Report 83-4044
A study was made to determine the suitability of three small hydrologic subareas in San Diego County, California, for reuse of municipal wastewater. Ground-water quality has been impacted by agricultural water use, imported water use, changes in natural recharge patterns, seawater intrusion, and intrusion of ground water from surrounding marine...
Water resources of the Rattlesnake Butte area, a site of potential lignite mining in west-central North Dakota
W.F. Horak
1983, Water-Resources Investigations Report 83-4228
In much of western North Dakota, minable lignite beds and associated sand beds are valuable local aquifers. Strip mining disrupts the aquifers and could significantly impact the local hydrology, imposing hardships on local residents. This comprehensive water-resources study of a 147-square-mile coal area in west-central North Dakota was done to...
Hydrology of the Wibaux-Beach lignite deposit area, eastern Montana and western North Dakota
W.F. Horak
1983, Water-Resources Investigations Report 83-4157
The Paleocene Harmon lignite, the principal commercial bed of the Wihaux-Beach deposit, underlies at least 150 square miles along the Montana-North Dakota border. An estimated 1 billion tons of strippable reserves underlies about 50 square miles. The Harmon lignite bed also is the most consistently occurring shallow aquifer in the...
Water-level changes in the high plains regional aquifer, northwestern Oklahoma, predevelopment to 1980
J.S. Havens
1983, Water-Resources Investigations Report 83-4073
During 1978, the U.S. Geological Survey began a 5-year study of the High Plains regional aquifer system to provide hydrologic information for evaluation of the effects of long-term development of the aquifer and to develop computer models for prediction of aquifer response to alternative changes in ground-water management (Weeks, 1978)....
Aquifer systems in the Great Basin region of Nevada, Utah, and adjacent states: A study plan
James R. Harrill, Alan H. Welch, David E. Prudic, James M. Thomas, Rita L. Carman, Russell W. Plume, Joseph S. Gates, James L. Mason
1983, Open-File Report 82-445
The Great Basin Regional Aquifer Study includes about 140,000 square miles in parts of Nevada, Utah, California, Idaho, Oregon, and Arizona. Within that area, 240 hydrographic areas occupy structural depressions formed primarily by basin-and-range faulting. The principal aquifers are in basin- fill deposits; however, permeable carbonate rocks underlie valleys in...
Technique for estimating depth of floods in Tennessee
C. R. Gamble
1983, Water-Resources Investigations Report 83-4050
Estimates of flood depths are needed for design of roadways across flood plains and for other types of construction along streams. Equations for estimating flood depths in Tennessee were derived using data for 150 gaging stations. The equations are based on drainage basin size and can be used to estimate...
Automatic dilution gaging of rapidly varying flow
M.D. Duerk
1983, Water-Resources Investigations Report 83-4088
It is often difficult to obtain discharge ratings at urban gaging stations. This report presents the results of using an automated constant-rate dyedilution technique to measure discharge at two sites in Madison, Wisconsin. The sites selected have well-defined stage-discharge ratings, developed during previous hydrologic studies. One site has a 60-inch...
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...
Hydrologic-data stations and lake levels, Kenai-Nikiski area, Alaska, 1983
Bonnie J. Bailey
1983, Open-File Report 83-938
The locations of 2 National Weather Service stations, 29 observation wells, 4 stream gages, and 12 lake-stage stations are depicted on a 1:63, 360-scale map. The periods of record and station descriptions are listed. Hydrographs depict water-level fluctuations of 12 lakes during the period 1970-1983. ...
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...
Hydraulic conductivity, specific yield, and pumpage — High Plains aquifer system, Nebraska
Robert A. Pettijohn, Hsiu-Hsiung Chen
1983, Water-Resources Investigations Report 82-4014
Hydrologic data used to evalute the ground-water potential of the High Plains aquifer system in Nebraska are presented on maps showing the hydraulic conductivity and specific yield of the aquifer system and the volume and distribution of water pumped for irrigation from the aquifer system during 1980. The High Plains...
Hydrologic conditions in the Wheatland Flats area, Platte County, Wyoming
M. A. Crist
1983, Water-Resources Investigations Report 83-4047
The area includes about 260 square miles in central Platte County that consists of Wheatland Flats and a border region. Wheatland Flats is an area of about 100 square miles that is bounded by Chugwater Creek on the east, the Laramie River on the north, and Sybille Creek on the...
Potential effects of surface coal mining on the hydrology of the Snider Creek area, Rosebud and Ashland coal fields, southeastern Montana
M. R. Cannon
1983, Water-Resources Investigations Report 82-4051
The Snider Creek area of the Rosebud and Ashland coal fields contains strippable reserves of Federal coal that have been identified for potential lease sale. A hydrologic study has been conducted in the potential lease area to describe the existing hydrologic systems and to assess potential impacts of surface coal...
Hydrology and subsidence potential of proposed coal-lease tracts in Delta County, Colorado
Tom Brooks
1983, Water-Resources Investigations Report 83-4069
Potential subsidence from underground coal mining and associated hydrologic impacts were investigated at two coal-lease tracts in Delta County, Colorado. Alteration of existing flow systems could affect water users in the surrounding area. The Mesaverde Formation transmits little ground water because of the neglibile transmissivity of the 1,300 feet of...