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Page 4954, results 123826 - 123850

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Seismic reflection profiles from cooperative investigations in the Straight of Juan de Fuca by the U.S. Geological Survey and Geological Survey of Canada aboard the Canadian Survey ship Parizeau between May 15 and June 3, 1972; Part 1 (easternmost segment)
Parke Detweiler Snavely Jr., D. L. Tiffin
1980, Open-File Report 80-239
In order to develop new data pertaining to the tectonic setting and potential geologic hazards in the Strait of Juan de Fuca and northern Puget Sound, a cooperative seismic reflection profile, gravity, and magnetic survey was conducted aboard the Canadian Survey Ship PARIZEAU in 1972. Results of approximately 2300 km...
Sediment yields of New Jersey streams
S. M. Hindall, D.W. Jungblut
1980, Open-File Report 80-432
Sediment data from 76 stream-gaging sites throughout New Jersey indicate that suspended sediment yields in New Jersey streams range from less than 10 tons per square mile per year to about 700 tons per square mile per year. Sixty to 100 percent of the material transported as suspended sediment is...
Geothermal gradients in the Missoula and Bitterroot Valleys, west-central Montana
Robert B. Leonard, Wayne A. Wood
1980, Water-Resources Investigations Report 80-89
Temperature-depth profiles of six cased test holes in the Missoula and Bitterroot Valleys, west-central Montana, consist of linear segments, the intersections of which commonly correspond with lithologic boundaries. Geothermal gradients commonly decreased with depth, probably as a result of compaction and higher quartz content of the deeper sedimentary deposits. There...
Mount St. Helens ash fall in the Bull Run watershed, Oregon, May-June 1980
Michael V. Shulters, Daphne G. Clifton
1980, Open-File Report 80-593
On May 25-26, May 30-June 2, and June 12-13, 1980, strong, high-altitude winds from the north occurred during periods of volcanic-ash eruption at Mount St. Helens in southwestern Washington. As a result, ash fell in the Bull Run watershed, Oregon, some 50 miles to the south, the principal water-supply source...
Flood of April 12-13, 1979 in Tuscaloosa and Northport, Alabama
Joe R. Harkins
1980, Open-File Report 81-1057
Heavy and intense rainfall of April 12-13, 1979, caused major flooding along the Black Warrior River and flooding to a lesser degree along small streams in Tuscaloosa and Northport.  The purpose of this report is to document distribution and the amount of rainfall, flood peak elevations along streams, and discharge...
Using channel geometry to estimate flood flow at ungaged sites in Idaho
W. A. Harenberg
1980, Water-Resources Investigations Report 80-32
Measurements at bankfull stage were made at 136 sites to determine whether predictions of flood discharges using channel-geometry characteristics are as good as or better than predictions using basin characteristics. These measurements are used to determine the variables of bankfull width, area, depth, and velocity. These variables are combined with...