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Geology of the Jabal Riah area, Kingdom of Saudi Arabia
J. D. Wells
1982, Open-File Report 82-1049
The Jabal Riah area is in the southern part of the Jibal al Hamdah quadrangle (lat 19?00'00'' to 19?07'S0'' N., long 45?37'30'' to 43?45'00' E.) in the southeastern Precambrian Shield, Asir Province, Kingdom of Saudi Arabia. The Jabal Mahanid group of ancient gold mines, which is part of the Jabal...
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: June 1982
John B. Townshend, J.E. Papp, E.A. Sauter, L.Y. Torrence, T.K. Cunningham
1982, Open-File Report 82-300-F
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory;...
Compilation of ground-water quality data for selected wells in Elmore, Owyhee, Ada, and Canyon counties, Idaho, 1945 through 1982
D. J. Parliman
1982, Open-File Report 83-39
Well-inventory and groundwater-quality data for 665 sites with a total of 1,318 chemical analyses were compiled from Elmore, Owyhee, Ada, and Canyon Counties. Data are sorted by water temperature (less than 20 degrees Celsius is considered nonthermal; 20 degrees Celcius or greater is considered thermal) to facilitate their use....
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...
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...
Design concepts for a Global Telemetered Seismograph Network
Jon Peterson, Nicholas A. Orsini
1982, Open-File Report 82-703
This study represents a first step in developing an integrated, real-time global seismic data acquisition system a Global Telemetered Seismograph Network (GTSN). The principal objective of the GTSN will be to acquire reliable, high-quality, real-time seismic data for rapid location and analysis of seismic events. A secondary, but important, objective...
Test and calibration of the Digital World-Wide Standardized Seismograph
Jon Peterson, Charles R. Hutt
1982, Open-File Report 82-1087
During the past decade there has been steady progress in the modernization of the global seismograph network operated by the U.S. Geological Survey (USGS). The World-Wide Standardized Seismograph Network (WWSSN) has been augmented by new stations with advanced instrumentation, including the Seismic Research Observatories (SRO) and the modified High-Gain Long-Period...