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Page 6079, results 151951 - 151975

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Dacitic ash-flow sheet near Superior and Globe, Arizona
Donald W. Peterson
1961, Open-File Report 61-119
Remnants of a dacitic ash-flow sheet near Globe, Miama, and Superia, Arizona cover about 100 square miles; before erosion the area covered by the sheet was at least 400 square miles and perhaps as much as 1,500 square miles. Its maximum thickness is about 2,000 feet, its average thickness is...
Factors controlling the size and shape of stream channels in coarse noncohesive sands
M. Gordon Wolman, Lucien M. Brush Jr.
1961, Professional Paper 282-G
The size and shape of equilibrium channels in uniform, noncohesive sands, 0.67 mm and 2.0 mm in diameter, were studied experimentally in a laboratory flume 52 feet long in which discharge, slope, sediment load, and bed and bank material could be varied independently. For each run a straight trapezoidal channel...