TY  - RPRT
TI  - Map of the Big Ridge mica mine, Haywood County, North Carolina
AU  - J. C. Olson
AU  - J.J. Page
PY  - 1942
DO  - 10.3133/ofr4221
UR  - https://pubs.usgs.gov/publication/ofr4221
ID  - ofr4221
ER  -