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164570 results.

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Geology and ground-water resources of Uvalde County, Texas
F.A. Welder, R.D. Reeves
1964, Water Supply Paper 1584
The principal aquifer in Uvalde County is the Edwards and associated limestones of Cretaceous age. The aquifer underlies an extensive area in south-central Texas extending along the Balcones fault zone from Kinney County eastward to San Antonio, and thence northeastward to Hays County. The hydrologic unit making up the Edwards...
Water levels in observation wells in Santa Barbara County, California, 1963
K. S. Muir
1964, Open-File Report 64-117
The U.S. Geological Survey, in cooperation with the Santa Barbara County Water Agency, continued the study of the ground-water resources of Santa Barbara County (fig. 1) in 1963. As part of the study, the Geological Survey made monthly water-level measurements in 247 wells; 17 of which were equipped with automatic...
Floods in Oklahoma: magnitude and frequency
A.O. Westfall, J.L. Patterson
1964, Open-File Report 64-170
This report presents methods by which the magnitude and frequency of expected floods for most streams in Oklahoma can be determined. Flood data were used to define flood-frequency curves applicable to the State. Composite frequency curves were drawn showing the relation of mean annual floods to floods having recurrence intervals...
Geology and ground-water conditions of the Redwood Falls area, Redwood County, Minnesota
George R. Schiner, Robert Schneider
1964, Water Supply Paper 1669-R
The Redwood Falls area includes about 80 square miles in southwestern Minnesota and is about 100 miles west of Minneapolis and St. Paul. Its surface is a gently undulating glacial-drift plain, interrupted in part by the large Minnesota River valley and the tributary Redwood River valley. The drift plain was...
Geology and ground water of the Luke area, Maricopa County, Arizona
Ronald S. Stulik, F. R. Twenter
1964, Water Supply Paper 1779-P
Luke Air Force Base, in the Salt River Valley in central Arizona. is within an intermontane basin--the Phoenix basin--in the Basin and Range lowlands province. The Luke area, the subject of this study, extends beyond the limits of the base. Ground-water resources of the Luke area were studied to determine...
Geology and ground-water resources of Washington, D.C., and vicinity, with a section on chemical quality of the water
Paul McKelvey Johnston, D. E. Weaver, Leonard Siu
1964, Water Supply Paper 1776
The area of this report includes 436 square miles centered about the District of Columbia. The area contains parts of two distinctly different physiographic provinces-the Piedmont and the Coastal Plain. The Fall Line, which separates the Piedmont province on the west from the Coastal Plain Province on the east, bisects...