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Geothermal resources of the western arm of the Black Rock Desert, northwestern Nevada: Part I, geology and geophysics
Donald H. Schaefer, Alan H. Welch, Douglas K. Mauzer
1983, Open-File Report 81-918
Studies of the geothermal potential of the western arm of the Black Rock Desert in northwestern Nevada included a compilation of existing geologic data on a detailed map, a temperature survey at 1-meter depth, a thermal-scanner survey, and gravity and seismic surveys to determine basin geometry. The temperature survey showed...
Reconnaissance geologic map of the Selway-Bitterroot Wilderness, Idaho County, Idaho, and Missoula and Ravalli counties, Montana
Margo I. Toth
1983, Miscellaneous Field Studies Map 1495-B
The Selway-Bitterroot Wilderness covers about 1.25 million acres in east-central Idaho and western Montana (fig. 1). The wilderness lies across the Bitterroot Range, which forms the boundary between Idaho and Montana, and includes large portions of the drainages of the Selway, Lochsa, and Bitterroot Rivers. Elevations range from 1,800 ft...
A statistical summary of data from the U.S. Geological Survey's national water quality networks
R. A. Smith, R. B. Alexander
1983, Open-File Report 83-533
The U.S. Geological Survey Operates two nationwide networks to monitor water quality, the National Hydrologic Bench-Mark Network and the National Stream Quality Accounting Network (NASQAN). The Bench-Mark network is composed of 51 stations in small drainage basins which are as close as possible to their natural state, with no human...
A practical, low-noise coil system for magnetotellurics
William D. Stanley, Richard D. Tinkler
1983, Open-File Report 83-85
Magnetotellurics is a geophysical technique which was developed by Cagnaird (1953) and Tikhonov (1950) and later refined by other scientists worldwide. The technique is a method of electromagnetic sounding of the Earth and is based upon the skin depth effect in conductive media. The electric and magnetic fields arising from...
Hydrologic data for the drainage basins of Chatfield and Cherry Creek Lakes, Denver metropolitan area, Colorado
J. W. Gibbs, L.M. Arnold, R.L. Reed
1983, Open-File Report 83-857
Chatfield and Cherry Creek Lakes are flood control lakes constructed by the U.S. Army Corps of Engineers and leased to the Colorado Division of Parks and Recreation. Both lakes are in the Denver metropolitan area and provide a variety of recreational activities, including boating, camping, fishing, picnicking, and swimming. The...
Surficial geology map of the Great Heath, Washington County, Maine
Cornelia Clermont Cameron, Michael K. Mullen
1983, Open-File Report 83-4
The major portion of the Great Heath, comprising 2,645 acres in the Cherryfield quadrangle, Washington County, Maine, generally averaging 13 feet in thickness, but with as great an average as 15 feet, contain an estimated 6,953 ,000 short tons air-dried peat. The peat #s chiefly sphagnum moss with some reed-sedge...