Sand and gravel consumption in Phoenix

An article in this months issue of Mining Engineering reports that per capita consumption of sand and gravel aggregate in 2006 in the metropolitan Phoenix area was about 18 tons (20 short tons).    The study examines the geology of the aggregate resources along the Agua Fria River which is a significant source.

Geologic study of gravels of the Agua Fria River, Phoenix, AZ

W.H. Langer, E. DeWitt, D.T. Adams and T. O’Brie, Mining Engineering, Feb, 2010, p27-31.