Geology topics
Research about Yuma County, Arizona
Source-linked reports with geographic coverage including Yuma County, Arizona.
Maps showing ground-water conditions in the Yuma area, Yuma County, Arizona, 1975
In the Yuma area, Arizona, ground water is pumped mainly for the drainage of waterlogged land and for irrigation. In 1975 about 255,000 acre-feet of ground water was withdrawn, of which about 158,000 acre-feet was pumped for drainage of waterlogged land. For 1915-75, about 4,568,000 acre-feet was withdrawn, of which 2 ,387,000 acre-feet was pumped for drainage. Information shown on maps includes change in water level (1970-75) and irrigated area; depth to water and altitude of the water level; and specific conductance and fluoride concentration. A table of historical pumpage is included. (Woodard-USGS)
Maps showing ground-water conditions in the Ranegras plain and Butler valley areas, Yuma County, Arizona - 1975
No abstract available.
Memorandum on ground-water conditions in parts of Tps. 10 and 11 S., Rs. 23 and 24 W., Yuma County, Arizona
In response to a request from J.R. Burger, Acting State Land Commissioner, dated September 24, 1953, a brief reconnaissance was made of ground-water conditions in southwestern Yuma County, Ariz. This memorandum is based on the reconnaissance and on review of data available from other agencies.
Reconnaissance for radioactivity in the Yuma Air Force Base gunnery range, Yuma County, Arizona
No abstract available.