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Page 5003, results 125051 - 125075

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Water-quality assessment of the Porter County watershed, Kankakee River basin, Porter County, Indiana
Linda L. Bobo, Danny E. Renn
1980, Open-File Report 80-331
Water type in the 241-square mile Porter County watershed in Indiana, was calcium bicarbonate or mixed calcium bicarbonate and calcium sulfate. Concentrations of dissolved chemical constituents in surface water and contents of chlorinated hydrocarbons in streambed samples in the watershed were generally less than water-quality alert limits set by the...
Approximate water-level changes in wells in the Chicot and Evangeline aquifers in the Houston-Galveston region, Texas, 1977-80 and 1979-80
R.K. Gabrysch, C.E. Ranzau Jr.
1980, Open-File Report 80-337
This report, which was prepared in cooperation with the cities of Houston and Galveston, the Harris Galveston Coastal Subsidence Distract, and the Texas Department of Water Resources, presents data on water-level changes during 1977-80 and 1979-80 in the Chicot and Evangelina aquifers (figs. 1-4).  During these periods, ground water pumping...
Cost effective stream-gaging strategies for the Lower Colorado River basin; the Blythe field office operations
Marshall E. Moss, Edward J. Gilroy
1980, Open-File Report 80-1048
This report describes the theoretical developments and illustrates the applications of techniques that recently have been assembled to analyze the cost-effectiveness of federally funded stream-gaging activities in support of the Colorado River compact and subsequent adjudications. The cost effectiveness of 19 stream gages in terms of minimizing the sum of...
A procedure for predicting concentrations of dissolved solids and sulfate ion in streams draining areas strip mined for coal
Hugh E. Bevans
1980, Open-File Report 80-764
Current trends in increased coal production neccessitate the development of techniques to appraise the environmental degradation that results from strip mining. A procedure is introduced for the prediction of dissolved-solids and sulfate-ion concentrations in streams draining strip-mined areas as functions of the percentage of the drainage area that has been...
Preliminary field geotechnical and geophysical logs from a drill hole in the Capps coal field, Cook Inlet region, Alaska
Alan F. Chleborad, Lynn A. Yehle, Henry R. Schmoll, Cynthia A. Gardner
1980, Open-File Report 80-393
The drilling and logging activity described in this report was undertaken in August 1979, as part of the Energy Lands program of the U.S. Geological Survey. The general objectives of the project, of which this work is a part, are to provide an understanding of the nature, location, and extent...