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Ground-water resources of the White River basin, Delaware County, Indiana
Leslie D. Arihood, Wayne W. Lapham
1982, Water-Resources Investigations Report 82-47
The ground-water resources of the White River basin in and near Delaware County, Indiana, were investigated by mapping the aquifers, calculating their hydraulic properties, determining the distribution of potentiometric head, and determining some of the components of the ground-water budget from data collected in the field. This information was used...
Ground-water resources of the White River basin, Hamilton and Tipton Counties, Indiana
Leslie D. Arihood
1982, Water-Resources Investigations Report 82-48
An analysis of the ground-water resources of the Hamilton and Tipton Counties was based on data from about 1,900 well logs, 125 water levels in 125 wells, streamflow measurements at 57 sites, and municipal- and industrial-pumpage records. These data were used to map the flow system and construct a three-dimensional...
Effects of Late Cretaceous and Cenozoic faulting on the geology and hydrology of the coastal plain near the Savannah River, Georgia and South Carolina
R.E. Faye, D.C. Prowell
1982, Open-File Report 82-156
Geologic and hydrologic investigations by the U.S. Geological Survey have defined stratigraphic and hydraulic anomalies suggestive of faulting within Coastal Plain sediments between the Ogeechee River in east-central Georgia and the Edisto River in west-central South Carolina. Examination of borehole cuttings, cores, and geophysical logs from test wells indicate that...
Estimating peak flow characteristics at ungaged sites by ridge regression
Gary D. Tasker
1982, Open-File Report 82-333
A regression simulation model, is combined with a multisite streamflow generator to simulate a regional regression of 50-year peak discharge against a set of basin characteristics. Monte Carlo experiments are used to compare the unbiased ordinary lease squares parameter estimator with Hoerl and Kennard's (1970a) ridge estimator in which the...
Geology of the Jabal Riah area, Kingdom of Saudi Arabia
J. D. Wells
1982, Open-File Report 82-1049
The Jabal Riah area is in the southern part of the Jibal al Hamdah quadrangle (lat 19?00'00'' to 19?07'S0'' N., long 45?37'30'' to 43?45'00' E.) in the southeastern Precambrian Shield, Asir Province, Kingdom of Saudi Arabia. The Jabal Mahanid group of ancient gold mines, which is part of the Jabal...