Frac Sand Fever is a periodic Star Tribune series on the sand mining boom in Minnesota and Wisconsin as "hydro-fracking'' revolutionizes the nation's oil and gas industry.
FRAC sand fever
The nation’s boom in “hydrofracking’’ for oil and gas has triggered a land rush in Wisconsin and Minnesota, which hold rich deposits of a special sand used in the process. Read more of “Frac Sand Fever,’’ a Star Tribune series, at startribune.com/fracking.