TY  - RPRT
TI  - Environmental considerations related to mining of nonfuel minerals
AU  - Robert R. Seal
AU  - Nadine M. Piatak
AU  - Bryn E. Kimball
AU  - Jane M. Hammarstrom
PY  - 2017
DO  - 10.3133/pp1802b
UR  - https://pubs.usgs.gov/publication/pp1802B
ID  - pp1802B
ER  -