Selected data from thermal-spring areas, southwestern Montana
Robert B. Leonard, Tordis M. Brosten, Norman A. Midtlyng
1978, Open-File Report 78-438
During 1975-77 the Montana district of the U.S. Geological Survey collected and assembled data describing the flow, temperature, and chemical characteristics of thermal and related waters. The work was part of an assessment of the geothermal resources of southwestern Montana, excluding Yellowstone Park. The purpose of this report is to...
Water-quality investigation near the Chico and Hunters geothermal lease-application areas, Park and Sweet Grass counties, Montana
Robert B. Leonard, Ronald R. Shields, Norman A. Midtlyng
1978, Open-File Report 78-199
Water quality in and adjacent to geothermal lease-application areas near Chico and Hunters Hot Springs was investigated during two surveys in October 1976 and April 1977. The resulting data were needed to evaluate the effects of proposed geothermal exploration and development on the Yellowstone River and its tributaries.Waters from the...
Geochemical investigations in the Mahd adh Dhahab District, Kingdom of Saudi Arabia
Ralph Jackson Roberts, Abdulaziz Bagdady, Robert W. Luce, L.D. North, Ibrahim H. Abuttahir
1978, Open-File Report 78-777
Anomalous occurrence of uranium in alpine peats, Summit County, Colorado, and results of a simple sample fractionation procedure
Joel S. Leventhal, Joan K. Jennings, Alan J. Lemke
1978, Open-File Report 78-235
Samples from Summit County, Colo., were fractionated for analyses of organic content and uranium. The uranium is related to organic content but not to type of organic matter. In one area uranium values are around 100 ppm in bulk samples and as much as 200 ppm in certain separated fractions...
Chemical and physical quality of selected public water supplies in Florida, August-September 1976
G. A. Irwin, Henry G. Healy
1978, Water-Resources Investigations Report 78-21
Results of a 1976 water-quality reconnaissance made by the U.S. Geological Survey indicated that, with few exceptions, all public water supplies in Florida are of high quality and meet the standards set forth in the National Interim Primary Drinking Water Regulations. Occasionally the concentrations of fluoride, turbidity, cadmium, chromium, and...
Interim report on streamflow, sediment discharge, and water quality in the Calabazas Creek Basin, Santa Clara County, California
J. M. Knott, G.L. Pederson, Robert F. Middelburg
1978, Water-Resources Investigations Report 78-2
Streamflow, sediment-discharge, and water-quality data are being collected in the Calabazas Creek basin, Santa Clara County, Calif., to determine annual water and sediment discharge at base-line conditions that are representative of a basin prior to urbanization. Results of the first 3 years of the study (1973-75) are given in this...
Reconnaissance map showing relative amounts of soil and bedrock in the Buckhorn Mountain quadrangle, Larimer County, Colorado
P. W. Schmidt
1978, Miscellaneous Field Studies Map 996
No abstract available....
Petrology of Potomac Group sands in Fairfax County, Virginia
Roy C. Lindholm
1978, Open-File Report 78-512
The Potomac Group sands sampled in Fairfax County are dominantly microcline-rich lithic arkoses. Quartz averages 59%, microcline 25%, plagioclase less than 1% and lithic grains 16%. Most sands are texturally submature and medium grained. Microcline is somewhat more abundant in the deeper beds in the subsurface than in the shallow...
Stratigraphic revision of the middle Eocene, Oligocene, and lower Miocene; Atlantic Coastal Plain of North Carolina
L. W. Ward, D.R. Lawrence, B. W. Blackwelder
1978, Bulletin 1457-F
Abandonment of the name Hartford Hill Rhyolite Tuff and adoption of new formation names for middle Tertiary ash-flow tuffs in the Carson City-Silver City area, Nevada
E.C. Bingler
1978, Bulletin 1457-D
A laboratory control system using the PDP 1103 microprocessor
David A. Lockner, John D. Weeks, J.D. Byerlee
1978, Open-File Report 78-125
Monitoring crustal deformation in the Geysers-Clear Lake geothermal area, California
Ben Elder Lofgren
1978, Open-File Report 78-597
Geodetic surveys since 1972-73 reveal significant crustal deformation in The Geysers-Clear Lake region. Resurveys of precise control networks are measuring both vertical and horizontal ground movement, with most of the change continuing in the area of geothermal fluid withdrawal. Preliminary evidence suggests right-lateral horizontal movement on northwest-trending fault systems and...
Mahd adh Dhahab: Precambrian epithermal gold deposit in Saudi Arabia
Robert W. Luce, James R. O’Neil, Robert O. Rye
1978, Open-File Report 78-388
No abstract available....
Floodflow analysis of Ninemile Creek, Onondaga County, New York
Richard Lumia, Bernard Dunn
1978, Open-File Report 78-85
A flood-stage and discharge analysis was made for a 3.61 mile reach of Ninemile Creek between Amboy and Camillus. Water-surface profiles were developed for 50-year, 100-year, and September 26, 1975 flood discharges at Camillus for four different channel conditions: (1) with four culverts at Camillus bypass and a bridge at...
Supplementary hydraulic analysis of proposed bridge site on Mohawk River, Whitesboro, New York
Richard Lumia
1978, Open-File Report 78-348
As a supplement to a 1975 report, titled "Floodflow Characteristics at Proposed Bridge Site on Mohawk River, Whitesboro, New York," by Bernard Dunn (U.S. Geological. Survey open-file report), in which the hydraulic effects of two alternative highway plans during a large-magnitude flood were evaluated, a hydraulic analysis was made for...
Effects of converting sagebrush cover to grass on the hydrology of small watersheds at Boco Mountain, Colorado
Gregg C. Lusby
1978, Open-File Report 78-289
Changes in runoff and sediment yield caused by changing sagebrush cover to grass cover were studied at four small watersheds in western Colorado during a 9-year period. Measurements of runoff and sediment yield from four watersheds were made for 3 years, at which time two watersheds were plowed and seeded...
Effects of grazing on runoff and sediment yield from desert rangeland at Badger Wash in western Colorado, 1953-73
Gregg C. Lusby
1978, Open-File Report 78-165
Four different systems of livestock management were compared hydrologically during a 20-year study (November 1953-November 1973) in western Colorado. These systems were grazing by cattle and sheep from November 15 to May 15 each year, complete elimination of grazing, grazing by sheep from November 15 to February 15 each year,...
Gold, base-metal, and related deposits of North Carolina
Gwendolyn Werth Luttrell
1978, Open-File Report 78-152
Gold, silver, copper, lead, zinc, pyrite, tin, cobalt, molybdenum, tungsten, barite, and rare-earths have been mined in North Carolina. Gold, with by-product silver, occurs in veins and mineralized shear zones in metamorphic rocks of the Piedmont province and in placers derived from these deposits. Copper occurs with complex sulfide ores...
Gravity and aeromagnetic anomalies in the Rexburg area of eastern Idaho
Don R. Mabey
1978, Open-File Report 78-382
Water-resources investigations of the U.S. Geological Survey in Wyoming, fiscal year 1978
F. C. Boner
1978, Open-File Report 78-239
This report contains lists of streamflow and reservoir stations, peak-flow partial-record stations, chemical-quality stations, sediment stations, and observation wells where water levels are measured in Wyoming. The locations of the basic-data sites are shown on maps. Thirty-two water-resources appraisal projects in Wyoming are also described, including many that are related...
Regional and local networks of horizontal control, Cerro Prieto geothermal area, Mexico
Bruce L. Massey
1978, Open-File Report 78-929
The Cerro Prieto geothermal area in the Mexicali Valley 30 km southeast of Mexicali, Baja California, is probably deforming due to (1) the extraction of large volumes of steam and hot water, and (2) active tectonism. Two networks of precise horizontal control were established in Mexicali Valley by the U.S....
Recent and projected changes in Dead Sea level and effects on mineral production from the sea
Stanley P. Sauer
1978, Open-File Report 78-176
Hydrologic data for the Dead Sea area were reviewed to assess the probable magnitude and rate of change of the water level of the Dead Sea. Historical average annual Dead Sea levels range from a minimum of 399.4 meters below sea level in about 1818 to a maximum of 388.6...
Terrain-analysis procedures for modeling radar backscatter
Gerald G. Schaber, Richard J. Pike, Graydon Lennis Berlin
1978, Open-File Report 79-1088
The collection and analysis of detailed information on the surface of natural terrain are important aspects of radar-backscattering modeling. Radar is especially sensitive to surface-relief changes in the millimeter- to-decimeter scale four conventional K-band (~1-cm wavelength) to L-band (~25-cm wavelength) radar systems. Surface roughness statistics that characterize these changes in...
Natural gas: A perspective on resource availability
Charles D. Masters
1978, Open-File Report 78-188
No abstract available....
Hydrologic data for urban storm runoff from three localities in the Denver metropolitan area, Colorado
Sherman R. Ellis
1978, Open-File Report 78-410
Urban storm-runoff data, collected from 1975 to 1977, on three catchment areas in the Denver, Colo., metropolitan area are presented. The catchment are predominantly a single-family residential catchment area in Littleton, a multifamily residential and commercial catchment area in Lakewood, and a high-density residential and commercial catchment area in Denver....
