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Maps showing ground-water conditions in the northern part of the Gila River drainage from Painted Rock Dam to Texas Hill area, Maricopa, Pima, and Yuma counties, Arizona; 1978

Open-File Report 79-1537
By: , and 

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Abstract

The Gila River drainage from Painted Rock Dam to Texas Hill area includes about 3,000 square miles in southwestern Arizona. Ground-water development has taken place only in the northern part of the area, and only this part is included in the report. The southwestward-flowing Gila River drains the 1 ,900-square-mile northern part of the area. The main water-bearing unit is the valley-fill deposits. Since 1967, the estimated ground-water pumpage has exceeded 100,000 acre-feet per year, and in 1977 the ground-water pumpage was 210,000 acre-feet; the ground water is used mainly for irrigation. The ground-water withdrawals have resulted in general water-level declines in most of the area. Information shown on the maps includes change in water level, 1965-78 and 1973-78, and irrigated area; depth to water, altitude of the water level, and well depth; and specific conductance and fluoride concentration in the water. Hydrographs of the water level in selected wells and a table of historical pumpage also are included. Scale 1:250 ,000. (Kosco-USGS)

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Maps showing ground-water conditions in the northern part of the Gila River drainage from Painted Rock Dam to Texas Hill area, Maricopa, Pima, and Yuma counties, Arizona; 1978
Series title Open-File Report
Series number 79-1537
DOI 10.3133/ofr791537
Edition -
Year Published 1979
Language ENGLISH
Description 3 maps ;82 x 91 cm.
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