TY  - RPRT
TI  - Graphite
AU  - Gilpin R. Robinson
AU  - Jane M. Hammarstrom
AU  - Donald W. Olson
PY  - 2017
DO  - 10.3133/pp1802j
UR  - https://pubs.usgs.gov/publication/pp1802J
ID  - pp1802J
ER  -