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Page 4412, results 110276 - 110300

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Configuration and hydrology of the Pre-Cretaceous rocks underlying the southeastern Coastal Plain aquifer system
Robert L. Wait, Marvin E. Davis
1986, Water-Resources Investigations Report 86-4010
An investigation was conduced to define the configuration and hydrology of the rock surface upon which the sand aquifers and confining beds of the Southeastern Coastal Plain aquifer system were deposited. The base of the Southeastern Coastal Plain aquifer system consists of crystalline rocks, saprolite, Paleozoic rocks, Triassic sedimentary rocks...
Ground-water availability in the Black River Basin, New York
Roger Milton Waller
1986, Water-Resources Investigations Report 86-4040
There are three maps in this set, which were prepared in 1966-68 as part of a study on the water resources of the Black River basin in cooperation with the New York State Department of Environmental Conservation. The data presented on the maps show well locations, well yield from bedrock...
Potentiometric-surface map of the Wyodak-Anderson coal bed, Powder River structural basin, Wyoming, 1973-84
Pamela B. Daddow
1986, Water-Resources Investigations Report 85-4305
Previous water level maps of shallow aquifers in the Powder River structural basin in Wyoming were based on water levels from wells completed in different stratigraphic intervals within thick sequences of sedimentary rocks. A potentiometric surface using water levels from a single aquifer had never been mapped throughout the basin....
Surficial geology and ground-water availability in the Allegheny River basin and part of the Lake Erie basin, New York
Michael H. Frimpter
1986, Water-Resources Investigations Report 86-4041
New York State 's need to develop a groundwater management program for protection of its aquifers led in 1985 to a cooperative program between the U.S. Geological Survey and the New York State Department of Environmental Conservation (through regional planning agencies) to publish data from previous studies. The two maps...
Hydrogeology of the eastern part of the Salt River Valley area, Maricopa and Pinal Counties, Arizona
R. L. Laney, Mary Ellen Hahn
1986, Water-Resources Investigations Report 86-4147
The Salt River Valley is a major agricultural and metropolitan area in semiarid south-central Arizona. Groundwater in the permeable sedimentary deposits underlying the area is a major water supply for agricultural, municipal, and industrial users. Groundwater levels have declined as much as 400 ft in recent years. Management of the...
Potentiometric surface, ground-water withdrawals, and recharge area for the Lisbon aquifer in Alabama, fall 1982
John S. Williams, Michael Planert, Sydney S. DeJarnette
1986, Water-Resources Investigations Report 86-4120
The U.S. Geological Survey began a nationwide program in 1978, termed Regional Aquifer-System Analysis (RASA), to study a number of the major aquifer systems that provide a significant part of the country 's water supply. One of the aquifer systems chosen for study was the thick and extensive sequence of...
Potentiometric surface, ground-water withdrawals, and recharge area for the Nanafalia-Clayton aquifer in Alabama, fall 1982
John S. Williams, Sydney S. DeJarnette, Michael Planert
1986, Water-Resources Investigations Report 86-4119
The U.S. Geological Survey began a nationwide program in 1978, termed Regional Aquifer-System Analysis (RASA), to study a number of the major aquifer systems that provide a significant part of the country 's water supply. One of the aquifer systems chosen for study was the thick and extensive sequence of...
Maps showing altitude of the potentiometric surface and changes in water levels in the aquifer in the Sparta and Memphis Sands in eastern Arkansas, spring 1985
Joe Edds, D. J. Fitzpatrick
1986, Water-Resources Investigations Report 86-4084
Aquifers in the Tertiary Sparta and Memphis Sands are a major source of water supply for much of eastern and south-central Arkansas. Major withdrawals occur from the aquifer for industrial and public supply, with generally lesser but locally significant amounts withdrawn for agricultural uses. Water level data from wells tapping...
Altitude of basement surface in the central coastal plain area of North Carolina
William L. Lyke, M. D. Winner Jr.
1986, Water-Resources Investigations Report 86-4082
The altitude of the basement surface in the central Coastal Plain of North Carolina ranges from 140 ft above sea level in Wayne County near the Fall Line to 2,400 ft below sea level near the coast in Beaufort County. The slope increases to the east from about 20 ft/mi...