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Page 4043, results 101051 - 101075

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Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in and near Stillwater Wildlife Management Area, Churchill County, Nevada, 1986-87
R.J. Hoffman, R.J. Hallock, T.G. Rowe, M.S. Lico, H.L. Burge, S.P. Thompson
1990, Water-Resources Investigations Report 89-4105
A reconnaissance was initiated in 1986 to determine whether the quality of irrigation-drainage water in and near the Stillwater Wildlife Management Area, Nevada, has caused or has potential to cause harmful effects on human health, fish, wildlife, or other beneficial uses of water. Samples of surface and groundwater, bottom sediment,...
Probabilistic earthquake acceleration and velocity maps for the United States and Puerto Rico
S. T. Algermissen, D. M. Perkins, P.C. Thenhaus, S.L. Hanson, B.L. Bender
1990, Miscellaneous Field Studies Map 2120
The ground-motion maps presented here (maps A-D) show the expected seismic induced or earthquake caused maximum horizontal acceleration and velocity in rock in the contiguous United States, Alaska, Hawaii, and Puerto Rico.  There is a 90 percent probability that the maximum horizontal acceleration and velocity shown on the maps will...
Salt-dome locations in the Gulf Coastal Plain, South-Central United States
J.D. Beckman, A. K. Williamson
1990, Water-Resources Investigations Report 90-4060
Information on salt domes in Gulf of Mexico Coastal Plain, south-central United States and the adjacent Continental Shelf were compiled from major published sources, 1973-84. The location of 624 salt domes is shown on a map at a scale of 1:1 ,500,000. A color-coding system was used to show that...
Lithology of basin-fill deposits in the Albuquerque-Belen basin, New Mexico
C. A. Kaehler
1990, Water-Resources Investigations Report 89-4162
Sediments that fill the Albuquerque-Belen basin in central New Mexico comprise an aquifer that supplies water to approximately one-third the population of the State. Analysis of driller 's logs and geophysical logs indicate that an area of fine-grained deposits generally underlies the west-central part of the basin. Coarse-grained deposits are...
Pesticides in soils and ground water in selected irrigated agricultural areas near Havre, Ronan, and Huntley, Montana
D.W. Clark
1990, Water-Resources Investigations Report 90-4023
Three areas in Montana representing a range of agricultural practices and applied pesticides, were studied to document whether agricultural pesticides are being transported into the soil and shallow groundwater in irrigated areas. Analytical scans for triazine herbicides, organic-acid herbicides, and carbamate insecticides were performed on soil and shallow groundwater samples....
Effects of storm-water runoff on local ground-water quality, Clarksville, Tennessee
Anne B. Hoos
1990, Water-Resources Investigations Report 90-4044
Storm-related water-quality data were collected at a drainage-well site and at a spring site in Clarksville, Tennessee, to define the effects of storm-water runoff on the quality of ground water in the area. A dye-trace test verified the direct hydraulic connection between the drainage well and Mobley Spring. Samples of...
The Coalinga, California, earthquake of May 2, 1983
Michael J. Rymer, William L. Ellsworth, editor(s)
1990, Professional Paper 1487
At 2342 G.m.t. May 2, 1983, a magnitude (ML) 6.7 earthquake occurred about 12 km northeast of the town of Coalinga, approximately halfway between Los Angeles and San Francisco. The shock was felt from Los Angeles to 200 km north of Sacramento and as far east as Las Vegas. Unlike...
Gaged and estimated monthly streamflow during 1931-84 for selected sites in the Red River of the North basin in North Dakota and Minnesota
R. S. Guenthner, J. F. Weigel, D. G. Emerson
1990, Water-Resources Investigations Report 90-4167
Operation of the Garrison Diversion Unit in North Dakota may have various effects on the quantity and quality of streamflow in the Sheyenne River and the Red River of the North. To model the effects that the Garrison Diverson Unit could have on water quantity, monthly gaged and estimated streamflow...
Safe disposal of radionuclides in low-level radioactive-waste repository sites; Low-level radioactive-waste disposal workshop, U.S. Geological Survey, July 11-16, 1987, Big Bear Lake, Calif., Proceedings
Marion S. Bedinger, Peter R. Stevens, editor(s)
1990, Circular 1036
In the United States, low-level radioactive waste is disposed by shallow-land burial. Low-level radioactive waste generated by non-Federal facilities has been buried at six commercially operated sites; low-level radioactive waste generated by Federal facilities has been buried at eight major and several minor Federally operated sites (fig. 1). Generally, low-level...