TY  - RPRT
TI  - Frac sand in the United States: a geological and industry overview
AU  - Mary Ellen Benson
AU  - Anna B. Wilson
AU  - Donald I. Bleiwas
PY  - 2015
DO  - 10.3133/ofr20151107
UR  - https://pubs.usgs.gov/publication/ofr20151107
ID  - ofr20151107
ER  -