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Page 5524, results 138076 - 138100

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Analog model study of the ground-water basin of the Upper Coachella Valley, California
Stephen J. Tyley
1974, Water Supply Paper 2027
An analog model of the ground-water basin of the upper Coachella Valley was constructed to determine the effects of imported water on ground-water levels. The model was considered verified when the ground-water levels generated by the model approximated the historical change in water levels of the ground-water basin caused by...
An assessment of areal and temporal variations in streamflow quality using selected data from the National Stream Quality Accounting Network
Timothy Doak Steele, Edward J. Gilroy, Richard O. Hawkinson
1974, Open-File Report 74-217
Streamflow chemical-quality data and stream-temperature data at 88 stations throughout the United States and Puerto Rico were analyzed to develop and to evaluate methodologies for the general assessment of the variation of the Nation's streamflow-quality conditions in space and over time. The spatial variation is described by the use of...
Water resources data for Mississippi, water year 1973
Water Resources Division, U.S. Geological Survey
1974, Water Data Report MS-73-1
Water resources data for the 1973 water year for Mississippi 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. In Part 1, records are included...
Geothermal gas sampling methods
Alfred Hemingway Truesdell, K.L. Pering
1974, Open-File Report 74-361
The following method of geothermal gas collection meets our needs for chemical and isotopic gas analyses, requires a minimum of special equipment in the field, and provides field analytical data of assistance in a sampling program....
Preliminary report on the geology of the continental borderland of Southern California
J. G. Vedder, L. A. Beyer, A. Junger, G. W. Moore, A. E. Roberts, J. C. Taylor, H. C. Wagner
1974, Miscellaneous Field Studies Map 624
Appraisal of the mineral resource potential and assessment of environmental problems of any specific area require an understanding of the regional geology. The geology of t he coastal zone and offshore islands from Point Conception to the Mexican boundary serves as a frame of reference from which rock units and...
A special planning technique for stream-aquifer systems
C.T. Jenkins, O. James Taylor
1974, Open-File Report 74-242
The potential effects of water-management plans on stream-aquifer systems in several countries have been simulated using electric-analog or digital-computer models. Many of the electric-analog models require large amounts of hardware preparation for each problem to be solved and some become so bulky that they present serious space and access problems....
Flood of October 1973 in Enid and vicinity, north-central Oklahoma
Roy H. Bingham, DeRoy L. Bergman, Wilbert O. Thomas Jr.
1974, Water-Resources Investigations Report 74-27
Heavy and intense rainfall of October 10 and 11, 1973, caused wide-spread flooding along many streams in north-central Oklahoma.  This report shows the distribution and amounts of rainfall, and the magnitude and frequency of flood discharges at several sites in the area (sheet 1) and the extent of flooding in...