TY  - RPRT
TI  - Grade and tonnage models for Coeur d'Alene-type polymetallic veins
AU  - K. R. Long
PY  - 1998
DO  - 10.3133/ofr98583
UR  - https://pubs.usgs.gov/publication/ofr98583
ID  - ofr98583
ER  -