TY  - RPRT
TI  - Montana corundum mine, Gallatin County, Montana
AU  - S.K. Neuschel
AU  - F.C. Armstrong
PY  - 1944
DO  - 10.3133/ofr4438
UR  - https://pubs.usgs.gov/publication/ofr4438
ID  - ofr4438
ER  -