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Page 510, results 12726 - 12750

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Investigation of possible effects of surface coal mining on hydrology and landscape stability in part of the Powder River structural basin, northeastern Wyoming
R. M. Bloyd, P. B. Daddow, P.R. Jordon, H. W. Lowham
1986, Water-Resources Investigations Report 86-4329
The effects of surface coal mining on the surface- and groundwater systems in a 5,400 sq mi area in the Powder River Basin, Wyoming, that includes 20 major coal mines were evaluated using three approaches: A surface water model, a landscape-stability analysis, and a groundwater model. A surface water model...
Areal and temporal variability of selected water-quality characteristics in two hydrologic-benchmark basins in the northeastern United States
R.A. Hainly, J.R. Ritter
1986, Water-Resources Investigations Report 85-4025
Two U.S. Geological Survey National Hydrologic Benchmark stations--Young Womans Creek near Renovo, Pennsylvania and Esopus Creek at Shandaken, New York--were studied to (1) define, both areally and temporally, variations of stream acidity and other water quality characteristics within the basins; (2) evaluate how well the data collected at the Benchmark...
Quality of ground water in the Payette River basin, Idaho
D. J. Parliman
1986, Water-Resources Investigations Report 86-4013
As part of a study to obtain groundwater quality data in areas of Idaho were land- and water-resource development is expected to increase, water quality, geologic, and hydrologic data were collected for 74 wells in the Payette River basin, west-central Idaho, from July to October 1982. Historical (pre-1982) data from...
Hydrologic and climatologic factors affecting water levels of Devils Lake, North Dakota
Gregg J. Wiche
1986, Water-Resources Investigations Report 86-4320
High water levels of Devils Lake, North Dakota, and other terminal lakes, have, in recent years, threatened highways, agricultural land, recreational cabins, and communities located near these lakes. This study was undertaken to describe the hydrology of the Devils Lake basin and to determine how to estimate future water level...
Hydrology of the leeward aquifers, southeast Oahu, Hawaii
Paul R. Eyre, Charles J. Ewart, Patricia J. Shade
1986, Water-Resources Investigations Report 85-4270
The leeward southeast Oahu ground-water area includes the Waialae and Wailupe-Hawaii Kai aquifers. The Waialae aquifer is separated from the ground water of Kaimuki to the west by Palolo valley fill and the Kaau rift zone, and from the Wailupe-Hawaii Kai aquifer to the east by a line of northeast-trending...
An evaluation of water-quality data from Hydrologic Accounting Unit 051100, Green River Basin, Kentucky
David W. Leist
1986, Water-Resources Investigations Report 85-4208
Streamflow and water quality data collected by the U.S. Geological Survey (USGS) and the Kentucky Natural Resources and Environmental Protection Cabinet from 37 sites in the Green River basin were compared to data from the USGS National Stream Quality Accounting Network (NASQAN) Station, Green River near Beech Grove, Kentucky. This...
Index of hydrologic data for selected sites in Palm Beach County, Florida, 1928-80
R.S. Sonenshein, C. R. Causaras, John E. Fish
1986, Open-File Report 86-54
A regional assessment of the surficial aquifers in Dade, Broward , and Palm Beach Counties, Florida, including the Biscayne aquifer, was begun in 1979 by the U.S. Geological Survey, in cooperation with the South Florida Water Management District. The purpose of the first phase of the project was to determine...
Potential effects of surface coal mining on the hydrology of the Little Bear Creek area, Moorhead coal field, southeastern Montana
N. E. McClymonds
1986, Water-Resources Investigations Report 85-4201
The Little Bear Creek area of the Moorhead Coal Field, 27 miles south of Ashland, Montana, contains large reserves of Federally owned coal that have been identified for potential lease sale. A hydrologic study was conducted in the area to describe existing hydrologic system and to assess potential effects of...
Development of a water-use data system in Minnesota
M.A. Horn
1986, Water-Resources Investigations Report 85-4306
The Minnesota State Legislature passed laws as early as 1937 to regulate use of Minnesota's ground water and surface water through a permit system. Several unsuccessful attempts were made to computerize water-use data reported to the State. The U.S. Geological Survey, through the National Water-Use Information Program, assisted the Minnesota...
Recharge zone of the Edwards aquifer hydrologically associated with Barton springs in the Austin area, Texas
Diana L. Slagle, Ann F. Ardis, Raymond M. Slade Jr.
1986, Water-Resources Investigations Report 86-4062
The Edwards aquifer extends in a narrow belt from Bell County in the northeast to Kinney County in the southwest (index map) and provides water for at least nine counties in south-central Texas. Hydrologic boundaries divide the Edwards aquifer in the Austin area for which Barton Springs is the major...
Cost effectiveness of the US Geological Survey's stream-gaging programs in New Hampshire and Vermont
J.A. Smath, F.E. Blackey
1986, Water-Resources Investigations Report 85-4173
Data uses and funding sources were identified for the 73 continuous stream gages currently (1984) being operated. Eight stream gages were identified as having insufficient reason to continue their operation. Parts of New Hampshire and Vermont were identified as needing additional hydrologic data. New gages should be established in these...
Hydrology and water quality of the Edwards Aquifer associated with Barton Springs in the Austin area, Texas
Raymond M. Slade Jr., Michael E. Dorsey, Sheree L. Stewart
1986, Water-Resources Investigations Report 86-4036
Urban development over the Edwards aquifer in the Austin, Texas, area has caused concerns about the availability and quality of water in the aquifer. The study area, the Edwards aquifer that discharges to Barton Springs, includes parts of Travis and Hays Counties and extends from the city of Kyle to...
Summary of hydrologic conditions in the Reedy Creek Improvement District, central Florida
Edward R. German
1986, Water-Resources Investigations Report 84-4250
The Reedy Creek Improvement is an area of about 43 square miles in southwestern Orange and northwestern Osceola Counties, Florida. A systematic program of hydrologic data collection in the Reedy Creek Improvement District and vicinity provided data for assessing the impact of development, mostly the Walt Disney World Theme Park...
Three-dimensional steady-state simulation of flow in the sand-and-gravel aquifer, southern Escambia County, Florida
Henry Trapp, L.H. Geiger
1986, Water-Resources Investigations Report 85-4278
The sand-and-gravel aquifer is the only freshwater aquifer in southern Escambia County, Florida and is the source of public water supply for the area, including the City of Pensacola. The aquifer was simulated by a two-layer, digital model to provide hydrologic information for water resource planning. The lower layer represents...
Estimate of livestock water use in Nebraska during 1980
E.K. Steele
1986, Water-Resources Investigations Report 86-4031
The estimated volume of 148,120 acre-ft of water used by livestock in Nebraska during 1980 is the second largest (after Texas) volume used for livestock production in the fifty Sates. Although water used by livestock is a small percentage of the total water used in Nebraska, this use has a...
Hydrology of Hunters Lake, Hernando County, Florida
S.E. Henderson
1986, Water-Resources Investigations Report 85-4242
The size and shape of Hunters Lake, Florida has been significantly altered by development of the surrounding Spring Hill residential community. The lake is the largest in Hernando County, enlarged by lakeshore excavation and connection to nearby ponds to an area of 360 acres at an average stage of 17.2...
Areal and temporal variations in the quality of surface water in hydrologic accounting unit 120301, Upper Trinity River basin, Texas
Frank C. Wells, Jack Rawson, Wanda J. Shelby
1986, Water-Resources Investigations Report 85-4318
Hydrologic Accounting Unit 120301 is located in north-central Texas and includes that part of the Trinity River basin upstream from the National Stream Quality Accounting Network station 08062700, Trinity River at Trinidad, Texas. Normal annual precipitation ranges from about 28 inches in the western part of the basin to almost...
Ground-water availability and water quality at Southbury and Woodbury, Connecticut
D. L. Mazzaferro
1986, Water-Resources Investigations Report 84-4221
Increases in population and commercial and industrial development during the past 20 years have increased the demand for water in the Towns of Southbury and Woodbury, Connecticut. The stratified-drift aquifer, underlying much of the Pomperaug River valley, is the most practical source for additional large supplies. The yield of the...
Geohydrology and simulated response to ground-water pumpage in Carson Valley, a river-dominated basin in Douglas County, Nevada, and Alpine County, California
D. K. Maurer
1986, Water-Resources Investigations Report 86-4328
A numerical model was used to simulate the effect of development of the groundwater reservoir in Carson Valley on Carson River outflow, evapotranspiration, and groundwater levels and storage. The basin-fill groundwater reservoir consists of: (1) confined and unconfined sedimentary deposits of Quaternary age that underlie the valley floor, and (2)...
Percentage change in saturated thickness of the High Plains Aquifer, west-central Kansas, 1950 to average 1984-86
Barbara J. Dague
1986, Water-Resources Investigations Report 86-4365
Continuing studies are being made in west-central Kansas to provide up-to-date information that will aid in the management of groundwater for irrigation. The results are presented of the sixth in a series of studies that used a statistical technique called kriging, to produce hydrologic maps. The kriging technique interpolates water...
Hydrologic and geologic analysis of two wells in Marion County, South Carolina
M.S. Reid, R.A. Renken, R. L. Wait, W. R. Aucott, R. W. Lee
1986, Water-Resources Investigations Report 86-4102
Two test wells were drilled in Marion County, South Carolina in 1982. Well MRN 77 (Marion 77) was drilled to a depth of 365 ft and was used as an observation well in the Black Creek aquifer and to supply water during drilling of the deeper well. MRN 78 (Marion...
Geologic, hydrologic, and cultural factors in the selection of sites for the land disposal of wastes in Washington
N. P. Dion, R. C. Alvord, T.D. Olson
1986, Water-Resources Investigations Report 84-4279
As part of a program to deal with the problems of waste disposal in Washington, the Department of Ecology (WDOE), in cooperation with the U.S. Geological Survey, completed a study designed to provide the geologic, hydrologic, and cultural data needed to evaluate the suitability of State land areas for the...