TY  - RPRT
TI  - Geochemistry and origin of the Bald Knob manganese deposit, North Carolina
AU  - M.J.K. Flohr
PY  - 1992
DO  - 10.2113/gsecongeo.87.8.2023
UR  - https://pubs.usgs.gov/publication/70017083
ID  - 70017083
ER  -