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Page 4988, results 124676 - 124700

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A technique for estimating flood heights on small streams in the city of Charlotte and Mecklenburg County, North Carolina
William H. Eddins, N.M. Jackson Jr.
1980, Water-Resources Investigations Report 80-106
A method for estimating the height reached by floods having recurrence intervals of 10, 20, and 100 years is defined for unregulated streams in Charlotte and Mecklenburg County draining areas of less than 1.0 square mile. Flood heights, defined as the vertical distance between the streambed at riffles and the...
A statistical analysis of the quality of surface water in Nebraska
R. A. Engberg
1980, Water-Resources Investigations Report 80-43
This report provides descriptive statistics for 29 chemical or biological constituents for 109 stream sites in Nebraska sampled by the U.S. Geological Survey beginning in 1946. Also provided for each site are regression equations relating specific conductance to each of 12 chemical constituents and a regression equation relating specific conductance...
Single-channel seismic-reflection profiles and sidescan sonar records collected during May 15-20, 1978, on the southern New England continental shelf
David C. Twichell
1980, Open-File Report 80-177
The U.S. Geological Survey completed a cruise aboard the R/V CAPE HENLOPEN during May 15-20, 1978, to map the surface character, thickness and extent of the fine-grained.sediment deposit that covers an area 100 x 200 km on the southern New England Continental Shelf. The study area lies between Great South...
Simulated water-level declines near Marienthal, west-central Kansas
Lloyd E. Dunlap
1980, Water-Resources Investigations Report 80-39
Intensive study in an area of 12-square miles near Marienthal, Kansas, has shown a decrease of 30 to 50 percent in saturated thickness of the Ogallala Formation since the development of irrigation. Projections from a digital model indicated the additional water-level declines that might occur from 1978 to 1989 if...
Side-scan sonograph data from eastern Rhode Island Sound and Vineyard Sound, Massachusetts
Charles J. O’Hara
1980, Open-File Report 80-283
Two hundred twenty-four kilometers of closely spaced side-scan sono­graph data have been collected from eastern Rhode Island Sound and Vineyard Sound, Mass., by the U.S. Geological Survey in cooperation with the New England Division of the U.S. Army Corps of Engineers. These data were obtained during the August 1976 cruise...
In-situ measurements of seismic velocity at 27 locations in the Los Angeles, California region
James F. Gibbs, Thomas E. Fumal, Edward F. Roth
1980, Open-File Report 80-378
Studies conducted in the San Francisco Bay Region (Gibbs, Fumal and Borcherdt, 1980) have shown that average shear-wave velocity can be readily tied to quantitative estimates of ground motion such as ground amplification and earthquake intensity. Furthermore, when certain physical properties of the geologic materials such as texture, hardness and...