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Page 6100, results 152476 - 152500

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Publication Extents

Not all publications have extents, not all extents are completely accurate
A field instrument for quantitative determination of beryllium by activation analysis
William W. Vaughn, E.E. Wilson, J.M. Ohm
1960, Circular 427
A low-cost instrument has been developed for quantitative determinations of beryllium in the field by activation analysis. The instrument makes use of the gamma-neutron reaction between gammas emitted by an artificially radioactive source (Sb124) and beryllium as it occurs in nature. The instrument and power source are mounted in a...
Preliminary report on ground water in the Salmon Falls area, Twin Falls County, Idaho
Kenneth H. Fowler
1960, Circular 436
The Salmon Falls area contains about 80,000 acres of irrigable land, of which about 30,000 acres receives some water from the distribution system of Salmon River Canal Co., Ltd. This system utilizes virtually all the available surface water. A substantial amount of surface water, estimated to be about 70,000...
Progress report on use of water by riparian vegetation, Cottonwood Wash, Arizona
E. L. Hendricks, William Kam, James E. Bowie
1960, Circular 434
Measurements of streamflow, ground-water levels, and meterological data obtained in a 4.1-mile reach of the flood plain of Cottonwood Wash, Mohave County, Ariz., define the use of water by riparian vegetation in that part of the stream valley. The computed evapotranspiration loss during the growing season of 1959 was 175...
Wetland and water supply
John Augustus Baker
1960, Circular 431
The Geological Survey has received numerous inquiries about the effects of proposed changes in the wetland environment. The nature of the inquiries suggests a general confusion in the public mind as to wetland values and an increasing concern by the public with the need for facts as a basis for...
Occurrence of strontium in natural water
M. W. Skougstad, C. Albert Horr
1960, Circular 420
The regions where the stable strontium content of surface waters is relatively low (less than 0.50 ppm) include the Pacific Northwest, Northeastern United States, and the Central Lowlands, Particularly the Lower Mississippi basin and the Western Gulf Coast area. Moderate concentrations of strontium (0.50 to 1.5 ppm) are found in...
The conservation attitude
Luna Bergere Leopold
1960, Circular 414-C
Forsaking his inheritance and its assurance of a comfortable existence, Guatama Buddha adopted the life of a pauper to seek the intellectual joys of pure contemplation. Under a mulberry tree, it is said, he propounded a 12-point program of ethical conduct stressing the development of a disinterested outlook in each...
Geomorphology and forest ecology of a mountain region in the central Appalachians
John Tilton Hack, John C. Goodlett
1960, Professional Paper 347
The area studied, mostly in the headwaters of the Shenandoah River, Augusta and Rockingham Counties, Va., includes about 55 square miles of densely forested mountain land and has an average relief of about 1,500 feet. It is part of an area that in June 1949 was subjected to a violent...