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Page 5904, results 147576 - 147600

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Density and porosity estimates from borehole gravity data in the Castle Pines #3, #2, and #1 water wells, Douglas County, Colorado
Keith A. Byerley, J. W. Schmoker
1977, Open-File Report 77-875
Borehole gravity surveys were carried out in the Castle Pines #3, #2, and #1 water wells using the U.S. Geological Survey-LaCoste and Romberg borehole gravity meter (McCulloh and others, 1967a; McCulloh and others, 1967b). The objectives were to estimate the density and porosity of the formations penetrated, and to determine...
Movement of moisture in the unsaturated zone in a loess-mantled area, southwestern Kansas
Robert C. Prill
1977, Professional Paper 1021
A study of moisture movement associated with ponding near Garden City, Kansas, indicates that loess-manted areas have excellent potential for artificial recharge by water spreading. Infiltration stabilized at rates ranging from 0.7 to 2.2 feet (0.2 to 0.7 meter) per day reflecting changes in hydraulic conductivity of soil horizons. Results...
Proceedings of the first annual William Pecora Memorial Symposium, October 1975, Sioux Falls, South Dakota
Priscilla W. Woll, William August Fischer, editor(s)
1977, Professional Paper 1015
The U.S. Geological Survey agreed to publish the proceeding of the first annual William T. Pecora Memorial Symposium in its Professional Paper series because the subject material is related to the mission of the Survey. The usual standards for this series have been modified to accommodate the variety of styles...
Interpretation of an aeromagnetic anomaly in McMullen and Live Oak counties, Texas
Joseph S. Duval, R.A. Martin
1977, Open-File Report 77-768
An anomaly about 300 gammas in amplitude has been observed in data from an aerial magnetic survey flown over parts of Duval, Live Oak, McMullen, and Webb Counties, Tex. A two-and-one-half-dimensional model was used to iterpret the data, and the anomaly is apparently caused by a large mafic body centered...
Ground-water resources of the Lexington, Kentucky, area
R.J. Faust
1977, Water-Resources Investigations Report 76-113
Ground water in the Lexington, Kentucky, area occurs in Ordovician Limestones in which cavity development is generally limited to about 100 feet below land surface. Some wells produce about 300 gallons per minute in some of the large stream valleys , about 50 gallons per minute in the rolling upland...