October, 1978
Arizona Water Resources,
vol.
78,
no.
5,
4
pp.,
Water Resources Research Center,
Tucson, AZ,
October, 1978
Arizona ranks in the top 10 among the 50 states in terms of total amount of groundwater pumped and amount of groundwater pumped per square mile of land surface, according to recently compiled U.S. Geological Survey (USGS) data.