Self-calibrating seismic amplifier and telemetry system
John R. Van Schaack
1975, Open-File Report 75-64
A frequency modulated, constant bandwidth, telemetry system has been designed to transmit simultaneously up to 8 channels of seismograph data from remote locations to a central recording site via radio or voice-grade telephone circuit. By utilizing state-of-the-art integrated circuits, the size of the remote unit has been considerably reduced over...
1943 estimate of tungsten ore reserves, Nevada Massachusetts Co., Eugene Mountains, Pershing County, Nevada
Ward Smith
1975, Open-File Report 75-320
Preliminary results for borehole GM-1, Granite Mountains, Wyoming
John S. Stuckless
1975, Open-File Report 75-40
A program for mass spectrometer control and data processing analyses in isotope geology; written in BASIC for an 8K Nova 1120 computer
J. S. Stacey, J. Hope
1975, Open-File Report 75-127
A system is described which uses a minicomputer to control a surface ionization mass spectrometer in the peak switching mode, with the object of computing isotopic abundance ratios of elements of geologic interest. The program uses the BASIC language and is sufficiently flexible to be used for multiblock analyses of...
A Fortran IV program for analytic continuation of VLF electromagnetic data
Raymond D. Watts
1975, Open-File Report 75-159
Floodflow characteristics of White River at U.S. Highway 167 at Batesville, Arkansas
J.N. Sullavan
1975, Open-File Report 75-260
The Arkansas State Highway Department plans to build a new two-lane highway bridge, parallel to and approximately 50 feet (15.2 metres) downstream from the centerline of the existing U.S. Highway 167 bridge, over the White River at Batesville. The present bridge will be altered and remain in service, thus providing...
Hydrologic reconnaissance of the Montezuma Creek-Aneth area, southeastern Utah
C. T. Sumsion
1975, Open-File Report 75-268
The Montezuma Creek-Aneth area is in the northeastern part of the Navajo Indian Reservation in southeastern Utah. It is a semiarid area along the San Juan River near the communities of Montezuma Creek and Aneth. Within the Blanding Basin, geologic formations exposed are of Jurassic and Quaternary age. The rock...
Water resources data for Hawaii and other Pacific areas, water year 1974
Water Resources Division, U.S. Geological Survey
1975, Water Data Report HI-74-1
Water resources data for the 1974 water year for Hawaii and other Pacific areas including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, and records of water-quality data on the chemical and physical characteristics of surface water, are given in this report. The records...
Ground-water investigation for U.S. Air Force Launch Control Facility O-O, Griggs County, North Dakota
G.L. Sunderland, Joe S. Downey
1975, Open-File Report 75-345
U.S. Air Force Launch Control Facility 0-0 is located about 3.6 miles (5.6 kilometres) north of Cooperstown, Griggs County, North Dakota. Test drilling indicates that a glacial-drift aquifer located within about 0.2 mile (0.3 kilometre) of the site will supply 2 to 3 gallons per minute (0.13 to 0.19 litre...
Niobium (columbium) and tantalum resources of Brazil
Max Gregg White
1975, Open-File Report 75-29
Most of the niobium resources of Brazil occur as pyrochlore in carbonatites within syenitic intrusives of Late Cretaceous to early Tertiary age in western Minas Gerais and southeastern Goils. Minor amounts of it are produced together with tantalum from columbite-tantalite concentrates from pegmatites and placers adjacent to them, in the...
Reconnaissance geology of the Wadi Sa'diyah Quadrangle (sheet 20/40A), Kingdom of Saudi Arabia
K. L. Wier, Donald G. Hadley
1975, Open-File Report 75-493
Computer program to simulate the salt balance between the north and south parts of Great Salt Lake, Utah
K.M. Waddell, E.L. Bolke
1975, Open-File Report 75-131
This report presents a computer simulation program that was used by Waddell and Bolke (1973) to predict the salt balance between the north and south parts of Great Salt Lake, Utah, for either existing or modified culvert openings (fig. 1). The development of the program, its accuracy and limitations, are...
Preliminary description and interpretation of cores and radiographs from Clear Lake, Lake County, California; Core 8
John D. Sims, Michael J. Rymer
1975, Open-File Report 75-306
Preliminary description and interpretation of cores and radiographs from Clear Lake, Lake County, California: Core 5
John D. Sims, Michael J. Rymer
1975, Open-File Report 75-381
A preliminary summary of petroleum potential, environmental geology, and the technology, time frame and infrastructure for exploration and development of the western Gulf of Alaska
Roland E. von Huene, Rodney Smith, Monty Hampton, George Moore, Gordon Dolton
1975, Open-File Report 75-536
This preliminary geology summary of the western Gulf of Alaska has been made to aid the Bureau of Land Management in defining an area for which nominations for oil and gas leasing will be solicited. The suggested area is centered about the Kodiak group of islands and is thought to...
Seismic reflection profiles, R/V KELEZ, May 1973, Leg 2, offshore southern California
Holly Clyde Wagner
1975, Open-File Report 75-205
No abstract available....
Preliminary description and interpretation of cores and radiographs from Clear Lake, Lake County, California: Core 2
John D. Sims, Michael J. Rymer
1975, Open-File Report 75-266
Possible effects on Lake Abert of a proposed impoundment on Chewaucan River, south-central Oregon
A. S. Van Denburgh
1975, Open-File Report 75-620
This statement is a response to questions raised by personnel of the U.S. Forest Service, Lakeview, Oregon, with respect to the possible effects on Lake Abert and its basin if the propos ed Coffeepot Reservoir is built on Chewaucan River. The responses are keyed to paragraphs in a letter of...
Time of travel and dye dispersion in La Chute and Lake Champlain, northeastern New York
Lloyd A. Wagner, Paul H. Hamecher
1975, Open-File Report 75-639
Hydrology of sand-and-gravel aquifer in central and southern Escambia County, Florida
Henry Trapp Jr.
1975, Open-File Report 74-218
The sand-and-gravel aquifer is the only fresh-water aquifer in the Pensacola area. Problems related to development of the aquifer include maximum safe yield, local contamination, local salt-water intrusion, corrosiveness of the water, areas of high iron concentration, and increasing nitrate concentration. The city of Pensacola is seeking hydrologic information, including...
Water availability of Monroe County, Alabama
John C. Scott, Marvin E. Davis, Jerald F. McCain, Harry M. Whitman
1975, Open-File Report 75-478
Placer-gold deposits of the Las Animas District, Sierra County, New Mexico
Kenneth K. Segerstrom, J.C. Antweiler
1975, Open-File Report 75-206
Numerical modeling of liquid geothermal systems
M.L. Sorey
1975, Open-File Report 75-613
Geochemistry of the Ancient Gneiss Complex of Swaziland; a preliminary investigation
D.R. Hunter, Fred Barker, Z. E. Peterman, H. T. Millard
1975, Open-File Report 75-169
Mineral deposits in western Saudi Arabia; a preliminary report
Ralph Jackson Roberts, William R. Greenwood, Ronald G. Worl, F. C. W. Dodge, Thor H. Kiilsgaard
1975, Open-File Report 75-654
Mineral deposits in Saudi Arabia include a variety of deposits which were formed in many geologic environments. These include magmatic and late magmatic deposits in igneous masses, contact metamorphic deposits along the margins of igneous bodies, and stratiform sulfide deposits and veins. Notable deposits of sedimentary origin include deposits of...
