TY  - RPRT
TI  - Fluorine
AU  - Timothy S. Hayes
AU  - M. Michael Miller
AU  - Greta J. Orris
AU  - Nadine M. Piatak
PY  - 2017
DO  - 10.3133/pp1802g
UR  - https://pubs.usgs.gov/publication/pp1802G
ID  - pp1802G
ER  -