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Page 6678, results 166926 - 166950

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Publication Extents

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Apparatus and techniques for measuring bedload
David Wellington Hubbell
1964, Water Supply Paper 1748
The need for accurate determinations of the total sediment discharge of particles of bedload size has prompted this investigation of available and possible measuring apparatus and procedures. The accuracy of measurements of sediment discharge made with trap-type samplers is affected by the variability of sampler efficiency, by the oscillatory variation...
Hydrogeology of northwestern Nassau and northeastern Queens Counties, Long Island, New York
Wolfgang V. Swarzenski
1964, Water Supply Paper 1657
A detailed investigation of the geology and ground-water occurrence in northwestern Nassau and northeastern Queens Counties, N.Y., has been completed by the U.S. Geological Survey, in cooperation with the Nassau County Department of Public Works and the New York State Water Resources Commission. The area, about 63 square miles, includes...