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Page 6770, results 169226 - 169250

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Aquatic plant management
J.H. Steenis
R.E. McDermott, W.R. Byrnes, editor(s)
1961, Book chapter, Herbicides and Their Use in Forestry: Proceedings, Forestry Symposium
Resistance coefficients and velocity distribution smooth rectangular channel
Hubert J. Tracy, C.M. Lester
1961, Water Supply Paper 1592-A
Measurements were made in a smooth rectangular channel to establish the effect of the side walls of the channel on velocity distribution and resistance to flow. The velocity distribution in the central region of a section normal to the channel followed the log arithmetic law. In the vicinity of each...
Availability of ground water in Lyon County, Minnesota
Harry G. Rodis
1961, Circular 444
Lyon County is in southwestern Minnesota, about 150 miles southwest of Minneapolis and St. Paul The basement rocks in the area consist of granite and quartzite of Precambrian age. These materials are in turn overlain by shale and sandstone of Cretaceous age, glacial drift of Pleistocene age, and alluvium of...
Sonic depth sounder for laboratory and field use
E.V. Richardson, Daryl B. Simons, G.J. Posakony
1961, Circular 450
The laboratory investigation of roughness in alluvial channels has led to the development of a special electronic device capable of mapping the streambed configuration under dynamic conditions. This electronic device employs an ultrasonic pulse-echo principle, similar to that of a fathometer, that utilizes microsecond techniques to give high accuracy in...
Availability of ground water in the Gallup area, New Mexico
Samuel Wilson West
1961, Circular 443
A thick succession of sedimentary rocks (about 6,000 feet) underlies the town of Gallup and crops out nearby. Although all the sedimentary rocks are capable of yielding some water, only a few units of sandstone and limestone yield water in sufficient quantity and of acceptable quality to be considered as...
Time of travel of water in the Potomac River, Cumberland to Washington
James K. Searcy, Luther C. Davis
1961, Circular 438
This report introduces a graphical procedure for estimating the time required for water to travel down the Potomac River in the reach extending from Cumberland, Md., to Washington, D.C. The time of travel varies with the flow of the river; so the stage of the river at the lower end...