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Page 5451, results 136251 - 136275

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Sediment characteristics of streams in the eastern Piedmont and western Coastal Plain regions of North Carolina
Clyde E. Simmons
1975, Open-File Report 75-291
The sediment-transport characteristics of streams were determined in a 6,000-square-mile (15,500-square-kilometre) area of the Coastal Plain and Piedmont regions of eastern North Carolina during 1969-73. The study covered all or parts of 21 counties and included data for 28 sediment-sampling stations located in parts of 4 major river basins, the...
Age and tectonic significance of volcanic rocks on St. Matthew Island, Bering Sea, Alaska
William Wallace Patton Jr., Marvin A. Lanphere, Thomas P. Miller, Richard A. Scott
1975, Open-File Report 75-150
Reconnaissance investigations of the heretofore little known volcanic assemblage on St. Matthew Island provide significant information on the tectonic history of the Bering Sea shelf. St. Matthew Island is made up of approximately 500 m of subaerial calc-alkaline volcanic rocks ranging in composition from high-alumina basalt to rhyolite. Four K-Ar...
Map showing ground water conditions in the Fairbanks D-2 NE Quadrangle, Alaska
Troy L. Pewe, John W. Bell
1975, Miscellaneous Field Studies Map 670-B
The primary factors that determine ground-water conditions in the Fairbanks D-2 NE quadrangle are (1) topographic position, (2) water-bearing characteristics of the rocks, and (3) distribution of permafrost. These interrelated factors generally limit the conditions in any particular area....
The Black Hills-Rapid City flood of June 9-10, 1972: A description of the storm and flood
Francis K. Schwarz, L.A. Hughes, E.M. Hansen, M.S. Petersen, Donovan B. Kelly
1975, Professional Paper 877
On June 9, 1972, an almost stationary group of thunderstorms formed over the eastern Black Hills of South Dakota near Rapid City and produced record amounts of rainfall and flood discharges. Nearly 15 inches of rain fell in about 6 hours near Nemo, S. Dak., and more than 10 inches...