Fluid-inclusion data on samples from Creede, Colorado, in relation to mineral paragenesis
T.L. Woods, Edwin Roedder, P. M. Bethke
1982, Open-File Report 82-313
Published and unpublished data on 2575 fluid inclusions in ore and gangue minerals from the Creede, Colorado, Ag-Pb-Zn-Cu vein deposit collected in our laboratories from 1959 to 1981 have shown that the average salinity (wt. % NaCl equivalent, hereinafter termed wt.% eq.) and homogenization temperature (Th), and the ranges of...
Potential effects of surface coal mining on the hydrology of the Cook Creek area, Ashland coal field, southeastern Montana
M. R. Cannon
1982, Open-File Report 82-681
The Cook Creek area of the Ashland coal field contains large reserves of Federally owned coal that have been identified for potential lease sale. A hydrologic study has been conducted in the potential lease area to describe existing hydrologic systems and to assess potential impacts of surface coal mining on...
Preliminary evaluation of the ground-water-flow system in the Twin Cities Metropolitan area, Minnesota
John H. Guswa, Donald I. Siegel, Daniel C. Gillies
1982, Water-Resources Investigations Report 82-44
A preliminary quasi-three-dimensional finite-difference ground-water-flow model of the seven-county Twin Cities Metropolitan area was constructed and used to evaluate parameter sensitivity and adequacy of available data. Fourteen geologic units that underlie the study area were grouped into nine hydr,bgeologic units and were incorporated into a five-layer model. The layers in...
Streamflow characteristics of the upper Columbia River basin, Montana, through 1979
Scott D. Waltemeyer, Ronald R. Shields
1982, Water-Resources Investigations Report 81-82
Statistical summaries of streamflow data for selected stream-gaging sites presented in this report aid in appraising the hydrology of the upper Columbia River basin in Montana. Streamflow records are provided for 54 gaging stations for the period of record. Streamflow records for five gaging stations were compiled into separate periods...
Water-quality assessment of White River between Lake Sequoyah and Beaver Reservoir, Washington County, Arkansas
J. E. Terry, E. E. Morris, C. T. Bryant
1982, Water-Resources Investigations Report 82-4063
The Arkansas Department of Pollution Control and Ecology and U.S. Geological Survey conducted a water quality assessment be made of the White River and, that a steady-state digital model be calibrated and used as a tool for simulating changes in nutrient loading. The city of Fayetteville 's wastewater-treatment plant is...
Integrated model of the shallow and deep hydrothermal systems in the East Mesa area, Imperial Valley, California
T. David Riney, J.W. Pritchett, L.F. Rice
1982, Open-File Report 82-980
Geological, geophysical, thermal, petrophysical and hydrological data available for the East Mesa hydrothermal system that are pertinent to the construction of a computer model of the natural flow of heat and fluid mass within the system are assembled and correlated. A conceptual model of the full system is developed and...
Evaluation of the streamflow-data program in Pennsylvania
Herbert N. Flippo Jr.
1982, Water-Resources Investigations Report 82-21
The stream-gaging program in Pennsylvania is subject to budgetary constraints in the next several years. Elimination of those gaging stations that have no current-purpose use and little utility in providing regional flow-characteristic information is the most effective way to reduce costs. The efficient design of a network of gaging stations for obtaining regional information...
Heat-flow measurements at shot points along the 1978 Saudi Arabia seismic deep-refraction line; Part II, Discussion and interpretation
M. E. Gettings
1982, Open-File Report 82-794
The heat-flow profile across the Arabian Shield from Ar Riyad to Ad Darb and across the Red Sea is examined for compatibility with the lithospheric structure of the area as deduced from geologic and other geophysical data. Broad continental uplift associated with Red Sea rifting is symmetric about the Red...
Ground-water resources of the White River basin, Delaware County, Indiana
Leslie D. Arihood, Wayne W. Lapham
1982, Water-Resources Investigations Report 82-47
The ground-water resources of the White River basin in and near Delaware County, Indiana, were investigated by mapping the aquifers, calculating their hydraulic properties, determining the distribution of potentiometric head, and determining some of the components of the ground-water budget from data collected in the field. This information was used...
Water information for northwestern Missouri: A planning document
John Skelton, Edward Joseph Harvey, Don E. Miller
1982, Water-Resources Investigations Report 82-27
Water supplies are limited in much of northwestern Missouri, and water-resources data also are limited. This report presents a summary of hydrologic data and an evaluation of areas where additional hydrologic data are needed to provide a data base suitable for use in making decisions regarding future water development.The largest...
Hydrology of potential mining areas in the Warrior coal field, Alabama
Celso Puente, J.G. Newton
1982, Open-File Report 82-105
Hydrologic data for four small basins and for numerous other sites in the Warrior coal field are used to define the potential impact of surface mining on water resources. Bear and Blue Creek basins are underlain predominantly by relatively impermeable consolidated rocks in the Pottsville Formation. Turkey and Yellow Creek...
The effects of channel excavation on water-quality characteristics of the Black River and on ground-water levels near Dunn, North Carolina
C.E. Simmons, S.A. Watkins
1982, Water-Resources Investigations Report 82-4083
During 1976-81 data were collected at three sites on the Black River near Dunn, N.C., to define the effects of channel excavation on stream quality and on ground-water levels in nearby areas. One of the data sites was located upstream from the five-mile long excavated reach and served as a...
Base flow of streams on Long Island, New York
Richard J. Reynolds
1982, Water-Resources Investigations Report 81-48
On Long Island, base flow under nonurbanized conditions constitutes 90 to 95% of total stream discharge. Base-flow data from 19 continuously gaged streams are presented as monthly mean and annual mean discharge for water years 1960-75, which includes the 1962-66 drought. The data were derived by hydrograph-separation procedures that isolate...
Regional geohydrology of the northern Louisiana salt-dome basin; Part I, conceptual model and data needs
G.N. Ryals
1982, Open-File Report 82-343
As part of the National Waste Terminal Storage Program, the U.S. Geological Survey is conducting a regional study of the geohydrology of the northern Louisiana salt-dome basin and developing a regional multi-layered ground-water flow model to determine regional flow paths. In the salt-dome basin the Tokio Formation and Brownstown Marl...
Program for evaluating stream quality in North Carolina
Hugh B. Wilder, Clyde E. Simmons
1982, Water Supply Paper 2185-A
The design and objectives of the program for evaluating stream quality in North Carolina are described. Using water-quality and streamflow data collected since the 1940?s, a study is underway to define certain variations in water quality, to quantify the effects of man?s activities on water quality, and to determine long-term...
Ground-water resources of the White River basin, Hamilton and Tipton Counties, Indiana
Leslie D. Arihood
1982, Water-Resources Investigations Report 82-48
An analysis of the ground-water resources of the Hamilton and Tipton Counties was based on data from about 1,900 well logs, 125 water levels in 125 wells, streamflow measurements at 57 sites, and municipal- and industrial-pumpage records. These data were used to map the flow system and construct a three-dimensional...
Hydrologic data from test wells and low-flow investigations in the middle reach of the Eagle River valley, Alaska; 1980-81
Gary Deeter, R.S. George
1982, Open-File Report 82-362
Test wells and low-flow investigations in the Eagle River valley , Alaska, were used to evaluate the feasibility of developing ground water for a public supply. Aquifers capable of supplying large yield wells were not indicated in any of the drilling areas. The data include: results of low-flow seepage investigations...
Field, model, and computer simulation study of some aspects of the origin and distribution of Colorado Plateau-type uranium deposits
F.G. Ethridge, D.K. Sunada, Noel Tyler, Sarah Andrews
1982, Open-File Report 82-589
Numerous hypotheses have been proposed to account for the nature and distribution of tabular uranium and vanadium-uranium deposits of the Colorado Plateau. In one of these hypotheses it is suggested that the deposits resulted from geochemical reactions at the interface between a relatively stagnant groundwater solution and a dynamic, ore-carrying...
A digital-computer model of the Big Sioux aquifer in Minnehaha County, South Dakota
N.C. Koch
1982, Water-Resources Investigations Report 82-4064
A finite-difference digital model was used to simulate steady-state conditions of the Big Sioux aquifer in Minnehaha County. Average water levels and average base flow discharge (4.9 cu ft/s) of the Big Sioux River were based on data from 1970 through 1979. The computer model was calibrated for transient conditions...
Modifications and corrections to the finite-difference model for simulation of three-dimensional ground-water flow
L.J. Torak
1982, Water-Resources Investigations Report 82-4025
This report describes modifications incorporated into the finite-difference model for simulation of groundwater flow in three dimensions. These modifications extend the application of this model to simulations involving head-dependent sources and sinks (i.e., rivers, evapotranspiration, and springs or drains). Other modifications are made that enhance the iterative-solution process of the...
Assessment of hydrologic conditions in potential coal-lease tracts in the Warrior coal field, Alabama
Celso Puente, John F. Newton, Roy H. Bingham
1982, Open-File Report 81-540
Assessing the hydrology of potential Federal coal-lease tracts, because of their dissemination and limited data, requires some predictive capability. Four tracts assessed were located in the outcrop of three coal groups and of other relatively impermeable rocks in the Pottsville Formation. Physical settings of the tracts and most other areas...
Time of travel of the Flint River, Utah Dam to highway M-13, Michigan, August 4-8, 1981
T. Ray Cummings, John B. Miller
1982, Open-File Report 82-853
Tracing of rhodamine WT dye has provided time-of-travel data for waste-load allocation studies of a 42.8-mile reach of the Flint River at low flow. A discharge equaled or exceeded about 90 percent of the time was measured at Grand Traverse Street in Flint before dye injection. Dye was injected at...
Landslide overview map of the conterminous United States
Dorothy H. Radbruch-Hall, Roger B. Colton, William E. Davies, Ivo Lucchitta, Betty A. Skipp, David J. Varnes
1982, Professional Paper 1183
The accompanying landslide overview map of the conterminous United States is one of a series of National Environmental Overview Maps that summarize geologic, hydrogeologic, and topographic data essential to the assessment of national environmental problems. The map delineates areas where large numbers of landslides exist and areas which are susceptible...
Model modifications for simulation of flow through stratified rocks in eastern Ohio
J. O. Helgesen, A. C. Razem, S. P. Larson
1982, Water-Resources Investigations Report 82-4019
A quasi three-dimensional groundwater flow model is being used as part of a study to determine impacts of coal-strip mining on local hydrologic systems. Modifications to the model were necessary to simulate local hydrologic conditions properly. Perched water tables required that the method of calculating vertical flow rate be changed....
Streamflows and channels of the Green River basin, Wyoming
H. W. Lowham
1982, Water-Resources Investigations Report 81-71
Width, depth, cross-sectional area, and velocity of streamflow were depicted for 51 gaged sites in or near the Green River basin of Wyoming by summarizing data obtained from current-meter discharge measurements. Using these at-a-station relations as a base, regional relations were then developed that characterize hydraulic features of streams throughout...
