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Page 4367, results 109151 - 109175

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Ground-water levels in Arkansas, spring 1989
P.W. Westerfield, G.J. Gonthier
1990, Open-File Report 90-121
Groundwater level measurements were made in 527 wells in Arkansas in the spring of 1989. These data are listed in tables by aquifer and then by county. For each well, the altitude of the land surface, the date of measurement, the depth to the water surface, and the altitude of...
Ground-water levels in the alluvial aquifer in Eastern Arkansas, 1989
P.W. Westerfield, C.R. Baxter
1990, Open-File Report 90-558
This report, prepared by the U.S. Geological Survey in cooperation with the Arkansas Soil and Water Conservation Commission, the U.S. Soil Conservation Service and local Conservation Districts, contains groundwater level measurements of 504 wells that tap the alluvial aquifer in the Quaternary deposits of the Mississippi Alluvial Plain. The measurements...
Guidelines for collection and field analysis of water-quality samples from streams in Texas
F.C. Wells, W.J. Gibbons, M.E. Dorsey
1990, Open-File Report 90-127
This manual provides standardized guidelines and quality-control procedures for the collection and preservation of water-quality samples and defines procedures for making field analyses of unstable constituents or properties. Descriptions and procedures are given for several methods of sampling for which a variety of samplers may be used. Sample-processing devices such as...
Fathometer data from Bart Lake and Lake Dorothy near Juneau, Alaska, 1988-89
H.R. Seitz, D.S. Thomas
1990, Open-File Report 90-152
Lake Dorothy is located about 20 miles southeast of Juneau, Alaska in an undeveloped area south of Taku Inlet. It occupies a linear, glacially eroded depression at an altitude of 2,400 ft. Several studies have assessed the feasibility of hydropower generation by a tap of Lake Dorothy. One of the...
Ground-water levels in Arkansas, Spring 1990
P.W. Westerfield
1990, Open-File Report 90-377
Groundwater level measurements were made in 553 wells in Arkansas in the spring of 1990. These data are listed in tables by aquifer; then by county. For each surface, the altitude of the land surface, the data measured, the depth to the water surface, and the altitude of the water...
Techniques for estimating flood-peak discharges of rural, unregulated streams in Ohio
G. F. Koltun, J.W. Roberts
1990, Water-Resources Investigations Report 89-4126
Multiple-regression equations are presented for estimating flood-peak discharges having recurrence intervals of 2, 5, 10, 25, 50, and 100 years at ungaged sites on rural, unregulated streams in Ohio. The average standard errors of prediction for the equations range from 33.4% to 41.4%. Peak discharge estimates determined by log-Pearson...