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Page 5247, results 131151 - 131175

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Publication Extents

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Linear ground-water flow, flood-wave response program for programmable calculators
John Michael Kernodle
1978, Open-File Report 78-356
Two programs are documented which solve a discretized analytical equation derived to determine head changes at a point in a one-dimensional ground-water flow system. The programs, written for programmable calculators, are in widely divergent but commonly encountered languages and serve to illustrate the adaptability of the linear model to use...
Water-quality investigation of the Yellville watershed, Arkansas
T.E. Lamb, C. Sue Williams
1978, Open-File Report 78-904
The results of a 1-year study of surface-water quality in the Yellville watershed are presented to document conditions before implementation of Soil Conservation Service programs. Analyses of samples collected at three sites showed that water in Town Branch and East Prong Branch was of good quality except for bacteria, total...
A magnesium correction for the Na-K-Ca chemical geothermometer
R.O. Fournier, Robert W. Potter
1978, Open-File Report 78-986
Graphs and equations have been devised to correct for the adverse effects of magnesium upon the Na-K-Ca geothermometer. Either the graphs or equations can be used to determine temperature corrections when given waters have Na-K-Ca calculated temperatures above 70? C and values of R less than 50, where R =...
Water-quality investigation of the Vache Grasse Creek watershed, Sebastian County, Arkansas
T.E. Lamb
1978, Open-File Report 78-903
The results of a 1-year study in the upper Vache Grasse Creek watershed, Sebastian County, AR., are presented to document surface-water quality conditions before implementation of Soil Conservation Service programs. Analysis of samples collected at four sites showed that during periods of warm weather several of the parameters sampled produced...
Hydrologic data for urban storm runoff from three localities in the Denver metropolitan area, Colorado
Sherman R. Ellis
1978, Open-File Report 78-410
Urban storm-runoff data, collected from 1975 to 1977, on three catchment areas in the Denver, Colo., metropolitan area are presented. The catchment are predominantly a single-family residential catchment area in Littleton, a multifamily residential and commercial catchment area in Lakewood, and a high-density residential and commercial catchment area in Denver....