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Technical manual for estimating low-flow frequency characteristics of streams in the Susquehanna River basin
Jeffrey T. Armbruster
1976, Water-Resources Investigations Report 76-51
This report presents procedures for estimating low-flow frequency characteristics for streams in the Susquehanna River basin. The techniques can be used at ungaged sites as well as sites where insufficient data are available to make a reliable estimate. Streams have been divided intp two types--major and minor. Major streams are...
Limnological survey of Sacony Creek Basin, Berks County, Pennsylvania
James L. Barker, Kenneth P. Kulp
1976, Water-Resources Investigations Report 76-84
Samples of water, fish and benthic macroinvertabrates collected at 10 sampling stations over a 10-month period indicate that Sacony Creek and its major tributaries contain water of good to excellent quality. The waters were found to be free of excessive quantities of dissolved nutrients, oxidizable matter, and fecal coliform bacteria. (p>Fish...
The Guatemalan earthquake of February 4, 1976, a preliminary report
A. F. Espinosa, editor(s)
1976, Professional Paper 1002
The Guatemalan earthquake of February 4, 1976, with a surface-wave magnitude of 7.5, was generated by left-lateral slippage on the Motagua fault and was felt over an area of at least 100,000 km2. This earthquake claimed more than 22,700 lives and injured more than 76,000 people. The preliminary estimate of...
Magnitude and frequency of floods in Nebraska
Emil W. Beckman
1976, Water-Resources Investigations Report 76-109
Estimates of flood characteristics with recurrence intervals up to 100 years can be obtained at most sites in Nebraska by use of techniques presented in this report. Instructions, equations, and graphs are presented to aid the design engineer in estimating the magnitude and frequency of floods. For natural-flow streams, the estimating...
Effects of off-road vehicle use on the hydrology and landscape of arid environments in central and southern California
Charles T. Snyder, D. G. Frickel, R. F. Hadley, R.F. Miller
1976, Water-Resources Investigations Report 76-99
Two widely separated sites in California used for motorcycle hill-climbing were studied to evaluate the impact on the landscape and hydrology. At Panoche Hills in central California, an area formerly used by motorcycles together with an adjacent unused area were monitored from 1971 to 1975. Observations in both areas included...
Analysis of historical water-quality data and a network plan for the Central and Southern Florida Flood Control District
D. A. Goolsby, H. C. Mattraw Jr., A. G. Lamonds, D.V. Maddy, J.R. Rollo
1976, Water-Resources Investigations Report 76-52
Historical water quality data from about 100 sampling stations on streams, canals and lakes in central and southern Florida were analyzed for areal and temporal variations in water quality, statistical measures of the data, relationships between water quality variables, and long term changes or trends in water quality. Included in...
Geohydrology of the Albin and La Grange areas, aoutheastern Wyoming
W. B. Borchert
1976, Water-Resources Investigations Report 76-118
The Albin and La Grange areas in southeastern Wyoming are two adjoining different hydrologic areas. Since ground water is the only source of water for irrigation in the Albin area, 34 irrigation wells have been drilled since 1968 and developed in conjunction mostly with center-pivot sprinkler systems that in 1974...