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Specific conductance and dissolved chloride concentrations of freshwater aquifers and streams in petroleum producing areas in Mississippi
S. J. Kalkhoff
1982, Open-File Report 82-353
Specific conductance and dissolved chloride reconnasissance sampling was conducted in six oil-producing areas of Mississippi during periods of low streamflow in 1980 and 1981. Water samples were collected at 224 ground-water and 190 suface-water sites. Samples from 55 surface-water and 17 ground-water sites contained dissolved chloride concentrations in excess of...
Quality of water in Luxapallia Creek at Columbus, Mississippi
Stephen J. Kalkhoff
1982, Open-File Report 82-373
A quality-of-water study was conducted on September 9-12, 1979, on Luxapallila Creek and its tributaries, Magby and McCrary Creeks. The short term study indicated that the water in Luxapallila, Magby, and McCrary Creeks is suitable for many purposes.The dissolved-oxygen concentration, temperature, and pH of the water in Luxapallila Creek changed...
Progress report to the Arkansas State Highway and Transportation Department, year ending September 30, 1981
R.C. Gilstrap, T.E. Lamb
1982, Open-File Report 82-97
The objectives of the cooperative program with the Arkansas State Highway and Transportation Department are described. Accomplishments within the program are summarized and reports are listed. The accomplishments include operation of a crest-stage station network, modeling of rainfall-runoff station data, publication of drainage-area reports for all major river basins in...
Prediction of earthquake response spectra
W. B. Joyner, David M. Boore
1982, Open-File Report 82-977
We have developed empirical equations for predicting earthquake response spectra in terms of magnitude, distance, and site conditions, using a two-stage regression method similar to the one we used previously for peak horizontal acceleration and velocity. We analyzed horizontal pseudo-velocity response at 5 percent damping for 64 records of 12...
Estimation of response-spectral values as functions of magnitude, distance, and site conditions
W. B. Joyner, David M. Boore
1982, Open-File Report 82-881
We have developed empirical predictive equations for the horizontal pseudo-velocity response at 5-percent damping for 12 different periods from 0.1 to 4.0 s. Using a multiple linear-regression method similar to the one we used previously for peak horizontal acceleration and velocity, we analyzed response spectra period by period for 64...
Thermodynamic properties of selected uranium compounds and aqueous species at 298.15 K and 1 bar and at higher temperatures; preliminary models for the origin of coffinite deposits
B. S. Hemingway
1982, Open-File Report 82-619
Thermodynamic values for 110 uranium-bearing phases and 28 aqueous uranium solution species (298.15 K and l bar) are tabulated based upon evaluated experimental data (largely from calorimetric experiments) and estimated values. Molar volume data are given for most of the solid phases. Thermodynamic values for 16 uranium-bearing phases are presented...
Annual snowmelt and rainfall peak-flow data on selected foothills region streams, South Platte River, Arkansas River, and Colorado River basins, Colorado
J. G. Elliott, R.D. Jarrett, J.L. Ebling
1982, Open-File Report 82-426
Peak flows in the foothills region of Colorado are attributable to two meteorological sources--snowmelt and rainfall. As part of a study of the hydrology of foothills streams in Colorado, charts from streamflow gages on unregulated streams were examined to determined the source of peak-flow events. Snowmelt-runoff peaks were distinguished from...
Origin of intraformational folds in the Jurassic Todilto Limestone, Ambrosia Lake uranium mining district, McKinley and Valencia counties, New Mexico
M. W. Green
1982, Open-File Report 82-69
The Todilto Limestone of Middle Jurassic age in the Ambrosia Lake uranium mining district of McKinley and Valencia Counties, New Mexico, is the host formation for numerous small- to medium-sized uranium deposits in joints, shear zones, and fractures within small- to large-scale intraformational folds. The folds probably were formed as...
The environment of south-central Tunisia as observed on Landsat scene 206/036
M. J. Grolier, P.A. Schultejann
1982, Open-File Report 82-130
One Landsat image in south-central Tunisia was analyzed to demonstrate the application of remote-sensing technology to regional development. A preliminary analysis included I) major landscape features; 2) gypsum-encrusted soils; and 3) phosphate-bearing beds exposed in the Gafsa mining district. The products specifically used for this report include: 1) A false-color...
Small-stream flood investigations in Minnesota, October 1958 to September 1980
Kurt T. Gunard, C.J. Smith
1982, Open-File Report 82-433
An investigation of flood flows from small drainage basins in Minnesota is being made to aid in the design of bridges, culverts and other highway drainage structures. Results of the investigation provide peak-flow data on streams generally with drainage areas less than 200 square miles, placing particular emphasis on those...
Directory of assistance centers of the National Water Data Exchange (NAWDEX)
Beverly M. Josefson, Cassandra D. Blackwell
1982, Open-File Report 82-925
The National Water Data Exchange (NAWDEX), managed by the U.S. Geological Survey, has established a network of Assistance Centers throughout the United States and Puerto Rico to assist users of water data in identifying and locating the data they need. This Directory provides the information needed to contact any of...
Support by the U.S. Geological Survey for adjudications, compacts, and treaties
Alberto Condes de la Torre
1982, Open-File Report 82-680
The U.S. Geological Survey supports interstate compacts, treaties, and court decrees by providing hydrologic data and analysis needed in their administration and by providing Federal representation on compact commissions. As part of this program, in fiscal year 1982 the Geological Survey operated 171 streamflow stations, 3 sediment stations, and 13...