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Page 4857, results 121401 - 121425

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Hydrogeologic sections of the Edwards Aquifer and its confining units in the San Antonio area, Texas
Ted A. Small
1986, Water-Resources Investigations Report 85-4259
Twenty-seven geohydrology sections illustrate structural and stratigraphic relationships within the 180-mi-long Edwards aquifer. These sections were used to interpret the location of barriers within the Edwards aquifer. The sections are oriented generally south-southeast, which is approximately normal to both the east-northeast trending Edwards aquifer and the strike of the major...
Cost effectiveness of the stream-gaging program in Ohio
H.L. Shindel, W.P. Bartlett
1986, Water-Resources Investigations Report 85-4072
This report documents the results of the cost effectiveness of the stream-gaging program in Ohio. Data uses and funding sources were identified for 107 continuous stream gages currently being operated by the U.S. Geological Survey in Ohio with a budget of $682,000; this budget includes field work for other projects...
Suspended sediment in Minnesota streams
L. H. Tornes
1986, Water-Resources Investigations Report 85-4312
Suspended-sediment samples have been collected by the U.S. Geological Survey from 115 sites on Minnesota streams since October 1960. Data from 42 sites were sufficient for characterizing sediment concentrations and yields. Average concentrations ranged from 4.4 milligrams per liter on the Baptism River in northeastern Minnesota to 190 milligrams per...
Estimating peak discharges, flood volumes, and hydrograph shapes of small ungaged urban streams in Ohio
J. M. Sherwood
1986, Water-Resources Investigations Report 86-4197
Methods are presented for estimating peak discharges, flood volumes and hydrograph shapes of small (less than 5 sq mi) urban streams in Ohio. Examples of how to use the various regression equations and estimating techniques also are presented. Multiple-regression equations were developed for estimating peak discharges having recurrence intervals of...
Computer programs for computing particle-size statistics of fluvial sediments
H.H. Stevens, D. W. Hubbell
1986, Water-Resources Investigations Report 86-4141
Two versions of computer programs for inputing data and computing particle-size statistics of fluvial sediments are presented. The FORTRAN 77 language versions are for use on the Prime computer, and the BASIC language versions are for use on microcomputers. The size-statistics program compute Inman, Trask , and Folk statistical parameters...
Cost effectiveness of the US Geological Survey's stream-gaging programs in New Hampshire and Vermont
J.A. Smath, F.E. Blackey
1986, Water-Resources Investigations Report 85-4173
Data uses and funding sources were identified for the 73 continuous stream gages currently (1984) being operated. Eight stream gages were identified as having insufficient reason to continue their operation. Parts of New Hampshire and Vermont were identified as needing additional hydrologic data. New gages should be established in these...
Cost-effectiveness of the U.S. Geological Survey stream-gaging program in Indiana
J. A. Stewart, R. L. Miller, G.K. Butch
1986, Water-Resources Investigations Report 85-4343
Analysis of the stream gaging program in Indiana was divided into three phases. The first phase involved collecting information concerning the data need and the funding source for each of the 173 surface water stations in Indiana. The second phase used alternate methods to produce streamflow records at selected sites....
The effects of urbanization on floods in the Austin metropolitan area, Texas
Jack E. Veenhuis, David G. Gannett
1986, Water-Resources Investigations Report 86-4069
The effects of urbanization on flood peaks in streams in the Austin metropolitan area were studied in two separate analyses. In the first analysis, annual peak discharge records at 13 streamflow-gaging sites were used to compute a recorded flood frequency relation for each site. Rainfall and streamflow data for 10...