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Page 4607, results 115151 - 115175

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Ground water in the Fresno area, California; preliminary report
H. T. Mitten
1984, Water-Resources Investigations Report 83-4246
The U.S. Geological Survey, in cooperation with Fresno County, is developing a computer model of the unconfined aquifer system in the Fresno area. In the area, consolidated rocks are overlain by unconsolidated deposits. The unconsolidated deposits are divided into a lower fine-grained unit and an overlying coarse-grained unit. The system...
Ground-water models as a management tool in Florida
C. B. Hutchinson
1984, Water-Resources Investigations Report 84-4016
Highly sophisticated computer models provide powerful tools for analyzing historic data and for simulating future water levels, water movement, and water chemistry under stressed conditions throughout the ground-water system in Florida. Models that simulate the movement of heat and subsidence of land in response to aquifer pumping also have potential...
The effect of eustatic sea-level changes on saltwater-freshwater relations in the northern Atlantic Coastal Plain
Harold Meisler, P. Patrick Leahy, LeRoy L. Knobel
1984, Water Supply Paper 2255
A finite-difference computer model was used to analyze the effect of eustatic sea-level changes on the development of the transition zone between fresh ground water and underlying saltwater in the northern Atlantic Coastal Plain. The model simulates, in cross section, the sedimentary wedge from the Delaware River estuary in New...
Rainfall-runoff data in the Albuquerque, New Mexico, metropolitan area, 1976-83
E.E. Fischer, J.J. Rote, J.B. Borland
1984, Open-File Report 84-448
Rainfall and discharge data from 13 flood-hydrograph stations in the Albuquerque, New Mexico, metropolitan area are presented. The period of record is from 1976, when the first three stations were installed, through 1983. The data include daily mean values for discharge for the period of record at each station, monthly...
Geologic and hydrologic data collected during 1976-1983 at the Sheffield low-level radioactive waste disposal site and adjacent areas, Sheffield, Illinois
J.B. Foster, George Garklavs, G.W. Mackey
1984, Open-File Report 83-926
Hydrogeologic studies were conducted at the low-level radioactive-waste disposal site near Sheffield, Illinois, from 1976-84. Data in this report include water levels in wells, lake stages, inorganic, organic, and radiometric chemical analyses of ground and surface water, hydraulic conductivities of glacial materials, grain-size distribution, clay and carbonate mineralogy, and cation...
Illinois ground-water observation network; a preliminary planning document for network design
L.R. Frost, Michael O’Hearn, J.P. Gibb, M.G. Sherrill
1984, Open-File Report 84-584
Water-level and water-quality networks in Illinois were evaluated to determine the adequacy and completeness of available data bases. Ground-water data in present data bases are inadequate to provide information on ground-water quality and water levels in large areas of Illinois and in the major geohydrologic units underlying Illinois and surrounding...
Water-quality data for the Potomac-Raritan-Magothy aquifer system in southwestern New Jersey, 1923-83
T. V. Fusillo, J. J. Hochreiter, D. G. Lord
1984, Open-File Report 84-737
Water-quality data for wells in and near the outcrop area of the Potomac-Raritan-Magothy aquifer system in Mercer, Burlington, Camden, Gloucester, and Salem Counties, New Jersey, have been compiled for the period 1923-83. The data were collected during various U.S. Geological Survey projects, including county-wide ground-water studies, the New Jersey saltwater-intrusion...