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164570 results.

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Publication Extents

Not all publications have extents, not all extents are completely accurate
On the air-scattering of gamma rays from thick uranium sources
Arthur Y. Sakakura
1955, Trace Elements Investigations 595
Semiquantative interpretation of data from airborne radioactivity surveying requires detailed knowledge of air-scattered gamma-ray intensity at considerable air distances from natural, thick uranium sources. Based on the concept of an elementary source of infinite thickness rather than on the classical point source, semi-empirical expressions, are developed for measured gamma-radiation intensities from . the...
Annual peak discharges from small drainage areas in Montana through September 1980
R. J. Omang, Charles Parrett, J. A. Hull
1955, Open-File Report 81-332
Annual peak stage and discharge data have been collected and tabulated for crest-stage gaging sites in Montana. The crest-stage program was begun in July 1955 to investigate the magnitude and frequency of floods from small drainage areas. The program has expanded from 45 crest-stage gaging stations initially to 172 stations...
Extending flood-frequency graphs by comparison with rainfall
W. B. Langbein
1955, Open-File Report 55-90
Flood discharge is the consequence of many contributing hydrologic events which may be presumed to occur fortuitously and independently, such that the probability of a given flood is the product of the probability of each independent contributing event.  Of the many factors that lead to a flood, the two most...
Annual peak discharges from small drainage areas in Montana through September 1979
R. J. Omang, C. Parrett, J. A. Hull
1955, Open-File Report 80-340
Annual peak stage and discharge data have been collected and tabulated for crest-stage gaging sites in Montana. The crest-stage program was begun in July 1955 to investigate the magnitude and frequency of floods from small drainage areas. The program has expanded from 45 crest-stage gaging stations initially to 173 stations...