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Page 4827, results 120651 - 120675

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Technique for estimating magnitude and frequency of floods in natural-flow streams in Florida
W. C. Bridges
1982, Water-Resources Investigations Report 82-4012
A technique is presented for estimating floods on natural-flow streams in Florida for specific recurrence intervals of 2, 5, 10 , 25, 50, 100, 200, and 500 years. Florida peaks from 159 stream-gaging stations with long-term records (10-53 years) and 23 rainfall-runoff stations with short-term records (7-17 years) were used...
Program for evaluating stream quality in North Carolina
Hugh B. Wilder, Clyde E. Simmons
1982, Water Supply Paper 2185-A
The design and objectives of the program for evaluating stream quality in North Carolina are described. Using water-quality and streamflow data collected since the 1940?s, a study is underway to define certain variations in water quality, to quantify the effects of man?s activities on water quality, and to determine long-term...
Hydrology of Salt Wells Creek — A plains stream in southwestern Wyoming
H. W. Lowham, L. L. DeLong, K. R. Collier, E. A. Zimmerman
1982, Water-Resources Investigations Report 81-62
Development of energy minerals in plains areas of Wyoming is expanding rapidly. Such development may affect water resources and hydrologic relations of the plains; however, little information exists concerning hydrologic processes for these areas. This report summarizes results of a hydrologic study made during 1975-78 of Salt Wells creek, a...
Water quality of the Neuse River, North Carolina - Variability, pollution loads, and long-term trends
Doughlas A. Harned
1982, Water Supply Paper 2185-D
Interpretation of water-quality data collected by the U.S. Geological Survey for the Neuse River, North Carolina, has identified water-quality variations, charactrized the current condition of the river in reference to water-quality standards, estimated the degree of pollution caused by man, and evaluated long-term trends in concentrations of major dissolved constituents....
Remote detection of metal anomalies on Pilot Mountain, Randolph County, North Carolina
N.M. Milton, William Collins, S.-H. Chang, R. G. Schmidt
1982, Open-File Report 82-998
A biogeophysical technique used successfully to delineate mineralized zones under coniferous forests has been extended to a deciduous region in the Piedmont physiographic province of North Carolina. Pilot Mountain, a hydrothermally altered monadnock within the Carolina slate belt, contains areas of anomalously high amounts of Cu, Mo, and Sn in...
Floods of May 1981 in west-central Montana
Charles Parrett, R. J. Omang, J. A. Hull, John W. Fassler
1982, Water-Resources Investigations Report 82-33
Extensive flooding occurred in west-central Montana during May 22-23, 1981, as a result of a series of rainstorms. Flooding was particularly severe in the communities of East Helena, Belt, and Deer Lodge. Although no lives were lost, total flood damages were estimated by the Montana Disaster Emergency Services Division to...
Origin of the Mariano Lake uranium deposit, McKinley County, New Mexico
Neil S. Fishman, Richard L. Reynolds
1982, Open-File Report 82-888
The Mariano Lake uranium deposit, hosted by the Brushy Basin Member of the Jurassic Morrison Formation, occurs in the trough of an east-west trending syncline at the western end of the Smith Lake-Mariano Lake group of uranium deposits near Crownpoint, New Mexico. The orebody, which contains abundant amorphous organic material,...