TY  - RPRT
TI  - A process for reducing rocks and concentrating heavy minerals
AU  - Thomas R. Strong
AU  - Rhonda L. Driscoll
PY  - 2016
DO  - 10.3133/ofr20161022
UR  - https://pubs.usgs.gov/publication/ofr20161022
ID  - ofr20161022
ER  -