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Page 5193, results 129801 - 129825

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Geohydrology and water resources of the Papago Farms-Great Plain area, Papago Indian Reservation, Arizona, and the upper Rio Sonoyta area, Sonora, Mexico
K.J. Hollett
1983, Open-File Report 83-774
The Papago Farms-Great Plain and upper Rio Sonoyta study area includes about 490 square miles in south-central Arizona and north-central Sonora, Mexico. In the study area 23,700 acre-feet of ground water from the basin-fill deposits was used to irrigate more than 5,000 acres in 1981. Surface water is not a...
Data for ground-water studies of the San Juan Basin, New Mexico (1982-83)
R.L. Klausing, G. E. Welder
1983, Open-File Report 84-135
Ground-water data that can be used for futher hydrologic studies in the San Juan structural basin of New Mexico are reported. Descriptions and a location map of 64 observation wells, a list of water levels measured in the observation wells, water-level hydrographs of 32 wells, 15 partial chemical analyses of...
Geoelectric structure of the Gila-San Francisco Wilderness Area, Graham and Greenlee Counties, Arizona, from audio-magnetotelluric data
D. P. Klein, M. J. Baer
1983, Open-File Report 83-815
Electromagnetic induction data using distant field sources, mostly of natural origin, in the frequency range of 4.5-27,000 Hz are analyzed to depict the geoelectric structure in an area of volcanic-rock cover located in southeastern Arizona between the Morenci and Safford porphyry copper deposits. The data for each station consist of...
GRANNY, a data bank of chemical analyses of Laramide and younger high-silica rhyolites and granites from Colorado and north-central New Mexico
Celia H. Steigerwald, Felix E. Mutschler, Steve Ludington
1983, Open-File Report 83-516
GRANNY is a data bank containing information on 507 chemically analyzed Laramide or younger high-silica rhyolites and granites from Colorado and north-central New Mexico. The data were compiled from both published and unpublished sources. The data bank is designed to aid in the recognition of igneous rocks with a high...
Landslide investigations, southern Cianjur Regency, West Java Province, Indonesia; a progress report
John R. Ege
1983, Open-File Report 83-597
Two landslide-monitoring sites have been established for a minimum 2-year investigation near the villages of Pasirpari and Cibacang in southern Cianjur Regency, West Java, Indonesia. Surveyed-in lines will measure amounts of surface movement and tilt, borings that produced exploratory cores now serve as slip-surface detectors and open-pipe piezometers, and rain...
Selected flow characteristics of Florida streams and canals
D.W. Foose
1983, Water-Resources Investigations Report 83-4107
Data and statistics on low-flow frequency for 254 stream-gaging stations on Florida streams and canals are presented. The selected stations have 10 or more years of continuous record. A site description, a 10-year hydrograph, and a table of flow duration are presented for each station. A computed monthly 7-day, 10-year...
Uncertainties in records of annual mean discharge in Maine
R. A. Fontaine
1983, Water-Resources Investigations Report 83-4025
This report documents the results of rating analyses of flow during periods of ice-cover at 33 stations on selected rivers in Maine. Results were obtained through linear multiple regression. It also presents functions relating uncertainties in records to the number of discharge measurements made at these and 21 other stations....
Summary of workshops concerning regional seismic source zones of parts of the conterminous United States, convened by the U.S. Geological Survey, 1979-1980, Golden, Colorado
P.C. Thenhaus, F. A. McKeown, R.C. Bucknam, D. C. Ross, R.E. Anderson, W. P. Irwin, D. P. Russ, W.H. Diment
Paul C. Thenhaus, editor(s)
1983, Circular 898
Workshops were convened by the U.S. Geological Survey to obtain the latest information and concepts relative to defining seismic source zones for five regions of the United States. The zones, with some modifications, have been used in preparation of new national probabilistic ground motion hazard maps by the U.S. Geological...