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Page 5174, results 129326 - 129350

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Urban storm-water-quality data, Portland, Oregon, and vicinity
Timothy L. Miller
1978, Open-File Report 78-851
Urban storm-water-quality characteristics in the metropolitan area of Portland, Oreg., and Vancouver, Wash., were determined for eight drainage basins with varying drainage areas, basin slopes, impervious areas, and land uses. Automatic water-quality samplers, rain gages, and stream gages were installed in each basin. From September 1, 1975, to June 3,...
Tsunami microprocessor tide system
Harold Clark, Gary L. Heckendorn
1978, Open-File Report 78-95
A Tsunami Microprocessor Tide System was developed to replace the Advanced Tsunami Tide System. The use of microprocessor based systems will reduce manpower and hardware costs from $4,000 per advanced system to $400 per microprocessor system. In addition to the cost reduction; the capacity, capability, and flexibility of the microprocessor...
Water resources of No Name Valley, Colville Indian Reservation, Washington
Denzel R. Cline
1978, Open-File Report 78-122
No Name Creek valley is a trough cut in granitic bedrock in north-central Washington. A low topographic divide in the northern third of the valley separates it into the No Name Creek basin on the south and Omak Creek basin on the north. Omak Creek is the larger stream and...
Gas-driven pump for ground-water samples
Donald C. Signor
1978, Water-Resources Investigations Report 78-72
Observation wells installed for artificial-recharge research and other wells used in different ground-water programs are frequently cased with small-diameter steel pipe. To obtain samples from these small-diameter wells in order to monitor water quality, and to calibrate solute-transport models, a small-diameter pump with unique operating characteristics is required that causes...
Leachate migration from a pesticide waste disposal site in Hardeman County, Tennessee
C.L. Sprinkle
1978, Water-Resources Investigations Report 78-128
Between 1964 and 1972, approximately 300,000 drums (55-gallon steel barrels) of waste derived from the manufacturing of pesticides were buried on 45 acres of land in northern Hardemen County, Tennessee. Leachates from these wastes are migrating from the disposal site in surface runoff, through shallow perched water zones, and through...
Selected Geological Survey, U.S. Bureau of Mines, and Alaska Division of Geological and Geophysical Surveys reports and maps on Alaska released during 1977, indexed by quadrangle
Edward Huntington Cobb
1978, Open-File Report 78-283
This open-file report lists all Geological Survey, U.S. Bureau of Mines, and State of Alaska Division of Geological and Geophysical Surveys reports and maps on the geology, geophysics, and mineral and water resources of Alaska published or released to open files in 1977. They are listed by the quadrangles (scale...
Exploration geophysics calculator programs for use on Hewlett-Packard models 67 and 97 programmable calculators
David L. Campbell, Raymond D. Watts
1978, Open-File Report 78-815
Program listing, instructions, and example problems are given for 12 programs for the interpretation of geophysical data, for use on Hewlett-Packard models 67 and 97 programmable hand-held calculators. These are (1) gravity anomaly over 2D prism with = 9 vertices--Talwani method; (2) magnetic anomaly (?T, ?V, or ?H) over 2D...
Stream quality in the San Lorenzo River Basin, Santa Cruz County, California
Marc A. Sylvester, Kenneth J. Covay
1978, Water-Resources Investigations Report 78-19
Stream quality in the San Lorenzo River basin, Calif., was studied from November 1973 through June 1975 to determine areal and temporal variations in water quality, problem areas and times of water quality degradation, and compliance with State and local water-quality objectives. Sampling from November 1973 through July 1974 was...
Uranium values from ion-filter water sampling compared with values from bulk-water sampling
Robert Allen Cadigan, J. Karen Felmlee
1978, Open-File Report 78-472
Analytical values of uranium from well water sampled by means of ion-filters were compared with analytical values of the same water sampled by the standard bulk (1-liter) water-sampling technique (Brown, Skougstad and Fishman, 1970). A fluorometric extraction method of analysis was used on both sets of samples. Duplicate samples from...
Landsat 3 Return Beam Vidicon (RBV) imagery (EC 62 Landsat)
Alden P. Colvocoresses
1978, Open-File Report 78-507
Enclosed is a copy of an early Landsat-3 RBV image of Cape Canaveral printed at 1:500,000 scale. The exposure setting was 5.6 milliseconds (ms) which resulted in some overexposure. With the shorter exposure times of 2.4 or 4 ms, which will generally be used, overall exposure should be more normal....
Determination of acetone and methyl ethyl ketone in water
D. Y. Tai
1978, Water-Resources Investigations Report 78-123
Analytical procedures for the determination of acetone and methyl ethyl ketone in water samples were developed. Concentrations in the milligram-per-liter range were determined by injecting an aqueous sample into the analysis system through an injection port, trapping the organics on Tenax-GC at room temperature, and thermally desorbing the organics into...