Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, August 1980
Frederick K. Mack, Judith C. Wheeler, Stephen E. Curtin
1981, Open-File Report 81-633
This map is based on measurements made in a network of 77 observation wells. Highest levels of the potentiometric surface, 61 to 64 feet above sea level, were near the outcrop or subcrop of the aquifer in topographically high areas of Anne Arundel and northern Prince Georges Counties. The potentiometric...
Stratigraphy and structure of volcanic rocks in drill hole USW-G1, Yucca Mountain, Nye County, Nevada
R.W. Spengler, F.M. Byers Jr., J.B. Warner
1981, Open-File Report 81-1349
A 10-year plan to study the aquifer system of Indian Wells Valley, California
Paul Lipinski, Darwin D. Knochenmus
1981, Open-File Report 81-404
Water needs of the population of Indian Wells Valley, Calif., must be met through further development of ground-water resources. Studies show that annual ground-water pumpage there has increased since 1945 and has exceeded mean annual recharge since 1966. Continued and increased stress on the aquifer system of the valley is...
Reconnaissance geologic map of the Churchill Mtn. quadrangle, Stevens County, Washington
Kenneth F. Fox Jr.
1981, Open-File Report 81-169
No abstract available....
Miscellaneous surface-water data, Pecos River basin, New Mexico
C. Clare Cranston, Georgianna E. Kues, G. E. Welder
1981, Open-File Report 81-218
Miscellaneous surface-water data from the Pecos River basin of New Mexico are assembled into one table. Measurements and estimates of the discharge of streams, springs, and diversion canals and pumps that are not readily available to the public are given. The principal sources of information are published and unpublished reports...
Plan of study for the regional aquifer-system analysis of the Snake River plain, Idaho and eastern Oregon
Gerald F. Lindholm
1981, Open-File Report 81-689
The 15,600-square-mile Snake River Plain is largely in southern Idaho and includes one of the Nation 's major regional aquifers. A comprehensive investigation of the area 's ground-water resources will be made as part of the U.S. Geological Survey 's Regional Aquifer-System Analysis (RASA) program. Basaltic and sedimentary rocks in...
Geologic map and coal sections of the Pearl School quadrangle and the easternmost part of the Bar V Ranch quadrangle, Big Horn County, Montana
Gary L. Galyardt, F. N. Murray
1981, Open-File Report 81-870
No abstract available....
Hydrologic monitoring in the coal fields of central Utah, August 1978-September 1979
Gregory C. Lines, Gerald G. Plantz
1981, Open-File Report 81-138
Surface-water quantity and quality were observed at 12 gaging stations downstream from mined and lease areas in the Wasatch Plateau, Book Cliff's, and Emery coal fields in central Utah. Measurements of base flow were made at 52 additional sites in the region. The report describes the hydrologic setting of this...
Preliminary geologic report for the Alenaio stream flood damage reduction study area, Hilo, Hawaii
John P. Lockwood, Jane M. Buchanan-Banks
1981, Open-File Report 81-791
Petrology of the ultramafic and gabbroic rocks of the Brady Glacier nickel-copper deposit, Fairweather Range, southeastern Alaska
G. R. Himmelberg, R. A. Loney
1981, Professional Paper 1195
The Nature and Use of Copper Reserve and Resource Data
Dennis P. Cox, Nancy A. Wright, George J. Coakley
1981, Professional Paper 907-F
Copper reserve, resource, and production data can be combined to produce disaggregated resource estimates and trends and, when combined with demand forecasts, can be used to predict future exploration and development requirements. Reserve estimates are subject to uncertainties due mainly to incomplete exploration and rapidly changing economic conditions. United States' reserve...
Water resources of Upper Separation Creek Basin, south-central Wyoming
L. R. Larson, Everett Alfred Zimmerman
1981, Water-Resources Investigations Report 80-85
Expected development of coal in the 85-square-mile upper Separation Creek basin of south-central Wyoming will greatly increase the demands on water resources. Flows in Separation Creek are seasonal and highly variable. Streamflow is primarily caused by snowmelt. Very light snowpack in the spring of 1977 resulted in annual runoff being...
Road log and documentary photographs for 15 significant biostratigraphic sites in Miocene-Pliocene limestone, Kingshill Seaway, St. Croix, U.S. Virgin Islands
Barbara H. Lidz
1981, Open-File Report 81-1291
Detailed examination of planktonic Foraminifera from the type section of the Miocene Kingshill Limestone and from 14 other Miocene and lower Pliocene limestone exposures in the Kingshill Seaway of St. Croix ((at 17°44' N., long 64° 46' W.; fig. 1) has led to the first publication of an in-depth biostratigraphic...
Floods of September 16, 1975 in the Tallaboa Valley, Puerto Rico
Karl G. Johnson
1981, Open-File Report 80-1283
This report provides a record of the flood of September 16, 1975, and associated hydrologic data. These data can be used in making rational decisions in formulating effective flood-plain regulations that would minimize flood problems in the Tallaboa Valley.The Tallaboa Valley (fig. 1) lies on the southwestern coast of Puerto...
Potentially favorable areas for large-yield wells in the Red River Formation and Madison Limestone in parts of Montana, North Dakota, South Dakota, Wyoming, and Nebraska
L.M. MacCary, E. M. Cushing, David L. Brown
1981, Open-File Report 81-220
The need for large quantities of energy has created interest in the Fort Union coal region of the Northern Great Plains. Extensive development of this coal, which may include onsite steam-power generation, gasification, liquefaction, and slurry-pipeline transport of the coal from this region, would place a heavy demand on the...
Geologic map and coal sections of the Elkol SW Quadrangle, Lincoln and Uinta counties, Wyoming
Marvin L. Schroeder
1981, Open-File Report 81-716
Assessment of conventionally recoverable petroleum resources of Persian Gulf basin and Zagros fold belt (Arabian-Iranian Basin)
Charles D. Masters
1981, Open-File Report 81-986
Assessment of conventionally recoverable petroleum resources of southeastern Mexico, northern Guatemala, and Belize
Charles D. Masters, James A. Peterson
1981, Open-File Report 81-1144
Flood of May 5 and 6, 1981, Mobile, Alabama
C. O. Ming, G. H. Nelson
1981, Open-File Report 81-1054
Heavy and intense rainfall in the late evening and early morning hours, May 5 and 6, 1981, caused widespread flooding along streams and low-lying areas in the port city of Mobile, Ala. More than 12 inches of rain fell between 6 p.m. May 5, and 3 a.m. May 6. Damage...
Geologic map and coal sections of the Mahogany Point Quadrangle, Emery County, Utah
Eugene G. Ellis, Joseph R. Frank
1981, Open-File Report 81-718
Selected biological characteristics of streams in the southeastern Uinta Basin, Utah and Colorado
Ronald W. Naten, Richard H. Fuller
1981, Open-File Report 81-644
Biological sampling was carried out during 1976-78 in five streams in the southeastern Uinta Basin, Utah and Colorado, in order to provide baseline water-quality data for an area of potential oil-shale development. The biological activity in the streams sampled generally is limited by physical factors more so than by chemical...
Hydrologic data for urban studies in the San Antonio, Texas, metropolitan area, 1978
Roberto Perez
1981, Open-File Report 81-922
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, Houston, and San Antonio. Studies were completed in the Fort Worth metropolitan area at the end of the 1977 water year, and in the Dallas...
Earthquake maps for developing areas in the San Francisco Bay area
Jeanne B. Perkins, Donald A. Olmstead
1981, Open-File Report 81-939
Reconnaissance of water availability and quality in abandoned coal mines near Roslyn, Kittitas County, Washington
F. A. Packard
1981, Open-File Report 80-955
The recoverable volume of ground water in abandoned coal mines near Roslyn, Wash., is estimated to be 20,000 acre-feet. During times of drought, pumping this water into the Cle Elum and Yakima Rivers for use in irrigation downstream should present few major water-quality problems. Wells at seven locations should be...
Water-quality reconnaissance of Harding Creek, Lawrence County, Arkansas
James C. Petersen
1981, Open-File Report 81-1058
A study of Harding Creek conducted between April and October 1980 to assess the water quality of the creek indicates no serious water-quality problems. Eight water samples were collected during periods of low to moderate streamflow (less than 19 cubic feet per second). The water was hard to very hard...
