Mineral resource assessment map of the Big Gum Swamp Roadless Area, Columbia and Baker counties, Florida
J.B. Cathcart, C. C. Cameron, S. H. Patterson
1986, Miscellaneous Field Studies Map 1572-C
The Big Gum Swamp Roadless Area (figs, 1 and 2) comprises 13,600 acres in the north-central part of the Osceola National Forest in Columbia and Baker Counties, about 12 airline miles northeast of Lake City, Fla. The area is bounded by Forest Service road 211 and Florida highway 250 on...
Summary geochemical maps for rock, stream sediment, and nonmagnetic heavy-mineral concentrates, Horse Meadow, Log Cabin-Saddlebag, and Tioga Lake Roadless Areas and Hall Natural Area, Mono County, California
Maurice A. Chaffee
1986, Miscellaneous Field Studies Map 1453-C
No abstract available. ...
Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, east part of the Raymond Peak Roadless Area, Alpine County, California
M.A. Chaffee
1986, Miscellaneous Field Studies Map 1365-D
The Raymond peak Roadless Area consists of two separate units. The west part (5985), about 12 miles southwest of Markleeville in Stanislaus National Forest, has been studied separately as part of the Mokelumne Wilderness and vicinity (McKee and others, 1982). The east part (4985) is discussed here....
Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Pyramid Roadless Area, El Dorado County, California
M.A. Chaffee
1986, Miscellaneous Field Studies Map 1616-B
The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and the U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral resource potential. Results must be made available to the public and be submitted to the President and...
Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Sweetwater Roadless Area, Mono County, California and Lyon and Douglas Counties, Nevada
Maurice A. Chaffee
1986, Miscellaneous Field Studies Map 1535-C
The Sweetwater Roadless Area lies between Yerington, Nevada, and Bridgeport, California, along the California-Nevada boundary. The area encompasses approximately 72,240 acres in Toiyabe National Forest in Mono County, California, and Lyon and Douglas Counties, Nevada. This roadless area, which lies just east of the Sierra Nevada range, exhibits rugged topography. Elevations...
Maps showing mines and prospects in the Southern Massanutten Roadless Area, Page and Rockingham counties, Virginia
Mark L. Chatman, Paul T. Behum
1986, Miscellaneous Field Studies Map 1527-C
The Southern Massanutten Roadless Area contains about 11,800 acres in the George Washington National Forest in the Valley and Ridge physiographic province of west-central Virginia. The area, which is 13 mi long and 1 to 2 mi wide, is in Page and Rockingham Counties on the eastern side of the...
Geologic map of the Leesburg Quadrangle, Lemhi County, Idaho
J. J. Connor, K. V. Evans
1986, Miscellaneous Field Studies Map 1880
Geologic map of the El Paso Mountains Wilderness Study Area, Kern County, California
B. F. Cox, M. F. Diggles
1986, Miscellaneous Field Studies Map 1827
Geologic map of parts of the Yaak River area, Lincoln County, northwest Montana
Earle Rupert Cressman, Jack Edward Harrison
1986, Miscellaneous Field Studies Map 1881
Geologic and geochemical-anomaly map of the Tunnel Ridge Wilderness Study Area, Klamath Mountains, California
M. F. Diggles, G. L. Kennedy
1986, Miscellaneous Field Studies Map 1810-B
Geologic map of the Owens Peak Wilderness Study Area, Tulare and Kern counties, California
M. F. Diggles, D.E. Clemens
1986, Miscellaneous Field Studies Map 1833
Discharge ratings for control gates at Mississippi River Lock and Dam 22, Saverton, Missouri
Albert J. Heinitz
1986, Water-Resources Investigations Report 86-4137
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainted and roller gates at the locks and dams. Discharge ratings for the gates on Lock and Dam 22, at Saverton, Missouri, were developed from current-meter discharge measurements made in the forebays of...
Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania : water-quality study of the Conestoga River headwaters, Pennsylvania
David K. Fishel, Patricia L. Lietman
1986, Water-Resources Investigations Report 85-4202
Nitrate-nitrogen and herbicide ground-water data is being collected by the u.s. Geological Survey as part of the nationwide Rural Clean Water Program designed to determine the effects of agricultural-management practices on water quality. Data collected from September 1982 to October 1983 · in the 188-square mile intensively farmed upper Conestoga...
Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania
David K. Fishel, J.E. Richardson
1986, Water-Resources Investigations Report 85-4023
The water quality of Swatara Creek prior to impoundment by the proposed Swatara Creek Reservoir in south-central Pennsylvania was studied from July 1981 through October 1982. The report, done in cooperation with the Pennsylvania Department of Environmental Resources (PaDER), Bureau of State Parks, presents information on existing water-quality conditions. A...
Machine-readable files developed for the High Plains Regional Aquifer-System analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming
C.F. Ferrigno
1986, Water-Resources Investigations Report 86-4063
Machine-readable files were developed for the High Plains Regional Aquifer-System Analysis project are stored on two magnetic tapes available from the U.S. Geological Survey. The first tape contains computer programs that were used to prepare, store, retrieve, organize, and preserve the areal interpretive data collected by the project staff. The...
A data-management system for detailed areal interpretive data
C.F. Ferrigno
1986, Water-Resources Investigations Report 86-4091
A data storage and retrieval system has been developed to organize and preserve areal interpretive data. This system can be used by any study where there is a need to store areal interpretive data that generally is presented in map form. This system provides the capability to grid areal interpretive...
Water-quality variability in four reservoirs in Phillips and Valley Counties, Montana, May through August 1981
R. F. Ferreira, J. H. Lambing
1986, Water-Resources Investigations Report 85-4209
Four reservoirs in Phillips and Valley Counties were studied from May to August, 1981 (1) to describe the variation in water quality that occurs from late spring (May) to late summer (August) and during 24-hrs in late summer and (2) to describe possible causes for the variation. All the reservoirs...
Assessment of low-flow water quality in Richland Creek, Illinois
W.O. Freeman, A.R. Schmidt
1986, Water-Resources Investigations Report 86-4323
To study the effects of urbanization on water quality, the relations of several stream processes to concentrations of dissolved oxygen and other constituents were evaluated during low-flow periods for a 30.1-mi reach of Richland Creek in southwestern Illinois. The study used both measured data and computer simulations. Reaeration rates and...
Assessment of low-flow water quality in the Du Page River, Illinois
W.O. Freeman, A.R. Schmidt, J. K. Stamer
1986, Water-Resources Investigations Report 85-4344
The relations of several stream processes to concentrations of dissolved oxygen and other constituents during low-flow periods were evaluated for a 70.3-mile reach of the Du Page River in northeastern Illinois, using measured data and computer simulations. Reaeration rates and traveltimes were measured at various flow rates using a steady-state...
Water-quality characteristics and nutrient and suspended-sediment loads, Carson River and Truckee Canal, western Nevada, water year 1980
K. T. Garcia, R. L. Carman
1986, Water-Resources Investigations Report 85-4147
Lahontan Reservoir is a major recreational site in the Carson River basin in western Nevada. The reservoir is fed by the Carson River and by the Truckee Canal which transports water from the adjacent Truckee River. Water quality in both rivers is influenced by agriculture and urbanization. Specific conductance tended...
Channel-storage/discharge relations for the Peoria and La Grange dams on the Illinois River in Illinois
George Garklavs, A. R. Klinger, D. M. Mades
1986, Water-Resources Investigations Report 86-4112
The relations between channel storage and discharge at the Peoria and La Grange Dams on the Illinois River are defined. The relations were developed by regressing channel storage against peak discharge at the dams. Peak discharges at the Peoria Dam ranged from 19,700 to 79,500 cu ft/sec, whereas those at...
Hydrogeology, ground-water flow, and tritium movement at low-level radioactive-waste disposal site near Sheffield, Illinois
George Garklavs, R. W. Healy
1986, Water-Resources Investigations Report 86-4153
Groundwater flow and tritium movement are described at and near a low-level radioactive waste disposal site near Sheffield, Illinois. Flow in the shallow aquifer is confined to three basins that ultimately drain into a stripmine lake. Most of the flow from the site is through a buried, pebbly sandfilled channel....
Tidal and residual currents in south San Francisco Bay, California: Results of measurements, 1981-83
J. W. Gartner, R. A. Walters
1986, Water-Resources Investigations Report 86-4024
No abstract available....
Tidal and residual currents near the confluence of the Sacramento and San Joaquin Rivers, California: Results of measurements, 1984-85
J. W. Gartner
1986, Water-Resources Investigations Report 86-4025
No abstract available....
Hydraulic characteristics of Upper Cretaceous and Lower Tertiary clastic aquifers: Eastern Alabama, Georgia, and western South Carolina
Robert E. Faye, Keith W. McFadden
1986, Water-Resources Investigations Report 86-4210
Transmissivity and storativity data for the clastic sediments of the northern Coastal Plain of eastern Alabama, Georgia, and western South Carolina were compiled and evaluated. Transmissivity values ranged from less than 100 to about 35,000 ft sq/day; storativity ranged from about 0.00002 to 0.0002. Data for lower Tertiary sediments represented...