Analyzing thematic maps and mapping for accuracy
G.H. Rosenfield
1982, Open-File Report 82-239
Two problems which exist while attempting to test the accuracy of thematic maps and mapping are: (1) evaluating the accuracy of thematic content, and (2) evaluating the effects of the variables on thematic mapping. Statistical analysis techniques are applicable to both these problems and include techniques for sampling the data...
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...
Preliminary interpretation of thermal data from the Nevada Test Site
John Harvey Sass, Arthur H. Lachenbruch
1982, Open-File Report 82-973
Analysis of data from 60 wells in and around the Nevada Test Site, including 16 in the Yucca Mountain area, indicates a thermal regime characterized by large vertical and lateral gradients in heat flow. Estimates of heat flow indicate considerable variation on both regional and local scales. The variations are...
Ground-water data from selected wells in alluvial aquifers, Powder River basin, northeastern Wyoming
Deborah K. Wells
1982, Open-File Report 82-856
Data on selected wells completed in alluvial aquifers in the Powder River structural basin in northeastern Wyoming are presented without interpretation. Records of 300 wells, chemical analyses of water from 43 wells, and logs of 113 wells are listed in three tables. A map showing location of wells is included....
Shallow subsurface temperatures and some estimates of heat flow from the Colorado Plateau of northeastern Arizona
J.H. Sass, Claudia Stone, D. J. Bills
1982, Open-File Report 82-994
Temperature data to depths of a few hundred meters were obtained from 29 wells in northeastern Arizona; 12 in the region surrounding the San Francisco Volcanic Field, 8 in the Black Mesa area, and 9 in the south-central Colorado Plateau which includes the White Mountains. Although there was evidence for...
GLORIA sidescan and seismic data collected by the DESV STARELLA along the continental slope and upper continental rise of the Eastern United States in 1979
Kathryn M. Scanlon
1982, Open-File Report 82-1095
A cruise on the- DESV STARELLA was conducted between October 23. 1979, and November 8, 1979, by the U.S. Geologic.al Survey (USGS) in cooperation with the United Kingdom's Institute of Oceanographic Sciences (IOS). The purpose of the study was to gain an overview of the morphology of large areas of...
MRNIDX - Marine Data Index: Database Description, Operation, Retrieval, and Display
Valerie F. Paskevich
1982, Open-File Report 82-397
A database referencing the location and content of data stored on magnetic medium was designed to assist in the indexing of time-series and spatially dependent marine geophysical data collected or processed by the U. S. Geological Survey. The database was designed and created for input to the Geologic Retrieval and...
Continuous water sampling and water analysis in estuaries
L. E. Schemel, L.A. Dedini
1982, Open-File Report 82-551
Salinity, temperature, light transmission, oxygen saturation, pH, pCO2, chlorophyll a fluorescence, and the concentrations of nitrate, nitrite, dissolved silica, orthophosphate, and ammonia are continuously measured with a system designed primarily for estuarine studies. Near-surface water (2-m depth) is sampled continuously while the vessel is underway; on station, water to depths...
Sediment and channel-geometry investigations for the Kansas River bank stabilization study, Kansas, Nebraska, and Colorado
W. R. Osterkamp, R.E. Curtis, H.G. Crowther
1982, Open-File Report 81-128
Analysis of hydrologic data from the Kansas River basin suggests that the channels of the lower Solomon, Saline, and Smoky Hill Rivers have narrowed and stabilized as a result of construction of upstream reservoirs. The Kansas River channel, however, remains relatively unstable and locally active. Streamflow regulation and sediment trapping...
Application of computer graphics to generate coal resources of the Cache coal bed, Recluse geologic model area, Campbell County, Wyoming
G. B. Schneider, S.S. Crowley, M.A. Carey
1982, Open-File Report 82-402
Low-sulfur subbituminous coal resources have been calculated, using both manual and computer methods, for the Cache coal bed in the Recluse Model Area, which covers the White Tail Butte, Pitch Draw, Recluse, and Homestead Draw SW 7 1/2 minute quadrangles, Campbell County, Wyoming. Approximately 275 coal thickness measurements obtained from...
Geometry, basin-characteristics, discharge, and particle-size data from gaged stream-channel sites, Western United States
W. R. Osterkamp, E. R. Hedman, A.G. Wiseman
1982, Open-File Report 82-93
Quality of runoff from small watersheds in the Twin Cities metropolitan area, Minnesota: Hydrologic data for 1980
G. A. Payne, M. A. Ayers, R. G. Brown
1982, Open-File Report 82-504
An intensive study of nonpoint-source runoff was conducted in the Twin Cities metropolitan area in Minnesota during 1980. The purpose of the study was to determine the relationships between land use, watershed characteristics, and the quantity, quality, and timing of runoff. Discharge and water-quality data were collected at 19 sites located...
Guidelines and techniques for obtaining water samples that accurately represent the water chemistry of an aquifer
Hans C. Claassen
1982, Open-File Report 82-1024
Obtaining ground-water samples that accurately represent the water chemistry of an aquifer is a complex task. Before a ground-water sampling program can be started, an understanding of the kind of chemical data needed and the potential changes in water chemistry resulting from various drilling, well-completion, and sampling techniques is needed....
Field data describing the movement and storage of sediment in the East Fork River, Wyoming; Part III, river hydraulics and sediment transport, 1980
W. W. Emmett, R. M. Myrick, R.H. Meade
1982, Open-File Report 82-359
Frequent measurements of river stage, water discharge, sediment-transport rate and particle-size gradation, and river slope were made at 44 cross sections along a 1.83-kilometer reach of East Fork River, Wyoming, during the spring 1980 snowmelt runoff. Data are tabulated and explanatory text facilitates its use for description of river hydraulics...
Water-quality assessment of the American River, California
M.V. Shulters
1982, Open-File Report 82-763
Based on an analysis of water-quality data from more than 168 sites, the American River was found to be of overall good quality and suitable for all beneficial uses specified by the State of California, even though its natural condition has been altered by man 's activities in the basin....
Hydrogeologic data from two wells at Myakka Head, Manatee County, Florida
W. C. Sinclair
1982, Open-File Report 81-1070
Well construction data, lithologic and geophysical logs, and water-quality data are presented for a deep (1,210 feet) well drilled at myakka Head, Manatee County, Florida. A shallow well (600 feet) was drilled at the same site. The wells were drilled as part of the Southwest Florida Water Management District 's...
Data on selected deep wells in south Florida
C.A. Smith, Lauralee Lidz, F.W. Meyer
1982, Open-File Report 82-348
A data base of 870 deep wells was assembled for the south Florida part of the Southeastern Limestone Regional Aquifer Study. The data in this report are for wells in Broward, Collier , Dade, Hendry, Lee, Martin, Monroe, Palm Beach, and St. Lucie Counties. Data are compiled for water wells,...
Two BASIC computer programs for the determination of in situ stresses using the CSIRO hollow inclusion stress cell and the USBM borehole deformation gage
W. K. Smith
1982, Open-File Report 82-489
The mathematical method of determining in-situ stresses by overcoring, using either the U.S. Bureau of Mines Borehole Deformation Gage or the Commonwealth Scientific and Industrial Research Organisation Hollow Inclusion Stress Cell, is summarized, and data reduction programs for each type of instrument, written in BASIC, are presented. The BASIC programs...
Geochronological data for the Pioneer Mountains, southwestern Montana; Part I, 40Ar/39Ar age-spectrum and conventional K/Ar dates for unaltered plutons
L.W. Snee, J. F. Sutter
1982, Open-File Report 82-961
Preliminary results of gravity investigations at Yucca Mountain and vicinity, southern Nye County, Nevada
D.B. Snyder, W. James Carr
1982, Open-File Report 82-701
Exploration for a high-level-nuclear-waste-repository site in the Yucca Mountain area, Nev., resulted in the addition of 423 new gravity stations during the past 2 years to the 934 existing stations to form the data base of this study. About 100 surface-rock samples, three borehole gamma-gamma logs, and one borehole gravity...
Water-quality assessment of the Merced River, California
Stephen K. Sorenson
1982, Open-File Report 82-450
The Merced River and its major tributaries have been subject of water-quality and water-quantity studies by local, State, and Federal agencies since before 1900. Data have been compiled and analyzed, and even though water-quality problems exist in the basin, the water generally is of good quality for most of the...
Vertical movement of ground water under the Merrill Field landfill, Anchorage, Alaska
Gordon L. Nelson, L.L. Dearborn
1982, Open-File Report 82-1016
Shallow groundwater under the Merrill Field sanitary landfill at Anchorage is polluted by leachate. Wells, including three Municipal-supply wells, obtain water from two confined aquifers 100-300 feet beneath the landfill area. Aquifer-test data and information on subsurface geology, ground-water levels, and properties of materials were used to estimate vertical gradients...
High-resolution seismic data and bathymetric data from the central region of the Mississippi Fan, Gulf of Mexico
C. E. Stelting, J. L. Kindinger
1982, Open-File Report 82-605
No abstract available. ...
Hydrologic data for urban studies in the San Antonio, Texas, metropolitan area, 1979-80
Roberto Perez
1982, Open-File Report 82-158
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...
Thermal springs in the Salmon River basin, central Idaho
H.W. Young, R.E. Lewis
1982, Open-File Report 82-104
The Salmon River basin drains approximately 13,000 square miles in central Idaho underlain by the Idaho batholith. Geologic units in the basin include igneous, sedimentary, and metamorphic rocks and granitic rocks predominate. Water from thermal springs ranges in temperature from 20.5 degrees to 94.0 degrees Celsius. The waters are slightly...
