Ground-water hydrology of James City County, Virginia
John F. Harsh
1980, Open-File Report 80-961
Urbanization and increase in water demand prompted a 2-year study of groundwater availability and quality in the county of James City. The coastal-plain sediments, parts of which underlie the county, are the largest source of groundwater in Virginia. Four aquifers form the complex aquifer system. Hydraulic characteristics vary from aquifer...
Hydrologic data for urban studies in the San Antonio, Texas, metropolitan area, 1977
Roberto Perez, Lynn Harmsen
1980, Open-File Report 80-743
Hydrologic investigations of urban drainage basins in Texas were begun by the U.S. Geological Survey in 1954. These studies are now in progress in Austin, Dallas, Dallas County, Fort Worth, Houston, and San Antonio.The Geological Survey, in cooperation with the Texas Department of Water Resources, expanded the existing gaging-station network...
Aquifer recharge from the 1969 and 1978 floods in the Mojave River basin, California
Anthony Buono, David J. Lang
1980, Open-File Report 80-207
The Mojave River basin, a high desert area in southwestern San Bernardino County, Calif., received 2.3 times the normal annual precipitation during the 1969 and 1978 water years. Precipitation in the mountainous upper part of the watershed is the primary source of flow in the Mojave River. Total precipitation at...
Computer routines for probability distributions, random numbers, and related functions
W.H. Kirby
1980, Open-File Report 80-448
Use of previously codes and tested subroutines simplifies and speeds up program development and testing. This report presents routines that can be used to calculate various probability distributions and other functions of importance in statistical hydrology. The routines are designed as general-purpose Fortran subroutines and functions to be called from...
Basic elements of ground-water hydrology with reference to North Carolina
Ralph Carr Heath
1980, Open-File Report 80-44
This report was prepared as an aid to developing a better understanding of the groundwater resources of North Carolina. It consists of 46 essays grouped into five parts. The topics covered by these essays range from the most basic aspects of ground-water hydrology to the identification and correction of problems...
Drainage areas of selected surface-water sites in Florida
Donald W. Foose
1980, Open-File Report 80-957
Drainage areas for about 1,500 surface-water sites on streams and lakes in Florida are contained in this report. Sites are described in relation to a nearby city or town, and are located by county, by latitude-longitude, and by topographic map on which it is located. In addition, the surface areas...
Hydrogeochemistry and simulated solute transport, Piceance Basin, northwestern Colorado
Stanley G. Robson, George J. Saulnier
1980, Open-File Report 80-72
Oil-shale mining activities in Piceance basin in northwestern Colorado could adversely affect the ground- and surface-water quality in the basin. This study of the hydrology and geochemistry of the area used groundwater solute-transport-modeling techniques to investigate the possible impact of the mines on water quality. Maps of the extent and...
Floods in Indiana, June-August 1979
Robert L. Gold, Stephen W. Wolcott
1980, Open-File Report 80-1204
This report documents rainstorms and resultant floods in central and southern Indiana during the summer of 1979. Major flooding was caused by three storms, one in June and two in July 1979, centered primarily in central and southern Indiana. Peak discharge exceeded the 100-year recurrence interval at 16 sites in...
Planning and design of studies for river-quality assessment in the Truckee and Carson River basins, California and Nevada
Jon O. Nowlin, W. M. Brown, L. H. Smith, R.J. Hoffman
1980, Open-File Report 80-435
The objectives of the Geological Survey 's river-quality assessment in the Truckee and Carson River basins in California and Nevada are to identify the significant resource management problems; to develop techniques to assess the problems; and to effectively communicate results to responsible managers. Six major elements of the assessment to...
Selected hydrologic data from the vicinity of Rayburns and Vacherie salt domes, northern Louisiana salt-dome basin
G.N. Ryals, R.L. Hosman
1980, Open-File Report 80-217
The U.S. Department of Energy is considering salt domes in northern Louisiana as possible sites for storage of nuclear waste from commercial sources. As part of this National Waste Terminal Storage (NWTS) Program, the U.S. Geological Survey is conducting a regional study of the geohydrology of the northern Louisiana salt-dome...
Effect of pumpage on ground-water levels as modeled in Laramie County, Wyoming
Marvin A. Crist
1980, Open-File Report 80-1104
Groundwater is being extensively developed for domestic, agricultural, and industrial use in a 2,320-square mile area in Laramie County, WY., bounded approximately by Horse Creek on the north, Nebraska on the east, Colorado on the south, and pre-Tertiary outcrops on the west. Currently (1977) about 47,300 acres of land are...
Ground-water models for water resources planning
John E. Moore
1980, Open-File Report 80-581
In the past decade hydrologists have emphasized the development of computer-based mathematical models to aid in the understanding of flow, the transport of solutes, transport of heat, and deformation in the groundwater system. These models have been used to provide information and predictions for water managers. Too frequently, groundwater was...
Hydrologic data for North Creek, Trinity River basin, Texas, 1978
C.C. Kidwell
1980, Open-File Report 80-573
The U.S. Soil Conservation Service is actively engaged in the installation of flood- and soil-erosion reducing structures in Texas under the authority of "The Flood Control Act of 1936 and 1944" and "Watershed Protection and Flood Prevention Act" (Public Law 566), as amended. The U.S. Soil Conservation Service has found...
Quality of surface water in the coal-mining region, southwestern Indiana, March and May 1979
Danny E. Renn, Stephen E. Ragone, William G. Wilber
1980, Open-File Report 80-970
On August 3, 1977, the Surface Mine Control and Reclamation Act, Public Law 95-87 (the Act) was enacted by the 95th Congress. Under Section 507(b)(11) of the Act, an appropriate Federal or State agency must provide applicants for coal-mining permits hydrologic and water-quality information for the general use of proposed...
A compilation of hydrologic data before and during highway construction in parts of Tijeras Canyon, New Mexico, 1972-1978
J.D. Hudson
1980, Open-File Report 80-332
Tijeras Canyon extends about 15 miles eastward from the eastern edge of Albuquerque, NM. The canyon is the site of a new part of Interstate Highway 40. The purpose of this report is to present surface- and ground-water data collected prior to and during highway construction. Well and spring data...
Hydrologic evaluation of a hypothetical coal-mining site near Chrisney, Spencer County, Indiana
John S. Zogorski, Daniel S. Ramey, Paul W. Lambert, Jeffrey D. Martin, Robert E. Warner
1980, Open-File Report 80-1107
Protecting the water resources of the Nation is a major emphasis of the Surface Mining Control and Reclamation Act, PL 95-87. Permanent regulations established for this Act by the Office of Surface Mining (OSM) require the issuance of a permit before mining begins. An application for a mining permit must...
Geologic and hydrologic map reports for land-use planning in the Baltimore-Washington urban area
A.J. Froelich, John Tilton Hack, E. G. Otton
1980, Circular 806
No abstract available....
Quality of water in the Black River near Dunn, North Carolina, and ground-water levels adjacent to the river prior to channel excavation in 1978-79
Clyde E. Simmons
1980, Open-File Report 80-425
During 1976-79 data were collected at three sites on the Black River, near Dunn, North Carolina, to define water-quality and other hydrologic conditions prior to channel excavation. Samples collected over a range in flow from 1.2 to 900 cubic feet per second contained 1 to 81 mg/L (milligrams per liter)...
Index to active hydrologic data collection sites in Florida, 1978-79
James D. Simmons
1980, Open-File Report 80-220
There are about 5,000 active data-collection sites in Florida operated by the U.S. Geological Survey in cooperation with State , local and Federal agencies. This index shows the location of each site, the cooperator(s) supporting the data-collection activities, the type and frequency of the data collected, and the U.S. Geological...
Quality of runoff from small watersheds in the Twin Cities Metropolitan Area, Minnesota - A project plan
M. A. Ayers, G. A. Payne, Gary L. Oberts
1980, Open-File Report 80-592
A program of water-quality sampling to define the relationships between land use, watershed characteristics, and the quantity, quality, and timing of runoff has been started for the Twin Cities metropolitan area of Minnesota. Ten major watersheds were chosen as representative of conditions in the metropolitan area. Each will be sampled...
Study plan for the regional aquifer-system analysis of alluvial basins in south-central Arizona and adjacent states
T. W. Anderson
1980, Open-File Report 80-1197
The alluvial basins in the Southwestern United States constitute a major source of ground water and are relied upon extensively for agricultural, industrial, and public water supplies. Large-scale depletion of ground water is directly related to pumping that has occurred in the past few decades and is continuing today. The...
Hydrogeologic data for the Mississippi Embayment of southeastern Missouri
Richard R. Luckey, Dale L. Fuller
1980, Open-File Report 79-421
The Mississippi embayment of southeastern Missouri is a 4 ,000-square-mile agricultural area that is presently (1979) undergoing rapid development for irrigation. In July 1974, a project was initiated to evaluate the water resources of the area, determine the extent of irrigation, and to assess the future potential for irrigation supplies....
Hydrologic assessment, Eastern Coal Province Area 23, Alabama
J.R. Harkins
1980, Open-File Report 80-683
The Eastern Coal Province is divided into 24 separate hydrologic reporting areas. The division is based on hydrologic factors, location, size, and mining activity. Hydrologic units (drainage basins) or parts of units are combined to form each area. Area 23 is located at the southern end of the Eastern Coal...
Evaluation of the Malaga Bend salinity alleviation project, Eddy County, New Mexico
J.L. Kunkler
1980, Open-File Report 80-1111
In an effort to reduce the flow of brine springs in the Malaga Bend reach of the Pecos River in southeastern New Mexico, brine was pumped from an aquifer underlying the Malaga Bend reach to a local depression known as Anderson Lake. The attempt to improve the quality of river...
Ground water of coal deposits, Bay County, Michigan
J. R. Stark, Michael G. McDonald
1980, Open-File Report 80-591
A coal deposit in Bay County, Mich., typical of Pennsylvanian-coal deposits in the State, was studied to determine the degree to which hydrologic factors might affect future coal mining. The coal deposit, which averages about 0.5 meters in thickness, lies 50 meters below land surface. It is part of a...
