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Map showing ground-water conditions in the Sacramento Valley area, Mohave County, Arizona; 1979

Open-File Report 81-418

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Abstract

The Sacramento Valley area includes about 800 square miles in northwestern Arizona. The valley slopes gently southward and is filled with alluvium and volcanic rocks to depths of more than 4 ,000 feet. The alluvium is divided into three units--older, intermediate, and younger alluvium--and the volcanic rocks are divided into two units--older and younger volcanic rocks. The older alluvium is the main water-bearing unit and yields 20 to 1 ,300 gallons per minute of water to wells. In the Kingman area the younger volcanic rocks are about 1,400 feet thick and yield less than 1 to 300 gallons per minute. Ground-water development has been slight and, is general, has had little effect on water levels; however, water-level declines have occurred in places where ground water is withdrawn for industrial or municipal supplies. The map shows depth to water, altitude of the water level, well depth, specific conductance, and fluoride concentration. Hydrographs of the water level in selected wells and a table of historical pumpage also are included. Scale is 1:125,000. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Map showing ground-water conditions in the Sacramento Valley area, Mohave County, Arizona; 1979
Series title:
Open-File Report
Series number:
81-418
Edition:
-
Year Published:
1981
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
1 map ;93 x 79 cm.