In 1888, Blandy was appointed Arizona's territorial geologist, a position created five years after Gov. Frederick A. Tritle asked Congress to establish a geological survey for the territory.

Groundwater supplies are declining rapidly in five farming-dominated basins across Arizona where pumping isn't regulated, ... ADWR relied heavily on estimates done by the U.S. Geological Survey.

In the early 1970s, they were students at the University of Arizona in geology and entomology, respectively, and came upon the caverns after Tufts, tramping among these desert hills, ...

Arizona has 51 groundwater basins. Yet new studies estimate that agriculture in just five of them used nearly 420,000 acre-feet of water in 2022.. That’s roughly the amount of water that Phoenix ...