TY  - RPRT
TI  - Quantitative assessment of future development of cooper/silver resources in the Kootenai National Forest, Idaho/Montana: Part I-Estimation of the copper and silver endowments
AU  - G.T. Spanski
PY  - 1992
DO  - 10.1007/bf01782270
UR  - https://pubs.usgs.gov/publication/70017291
ID  - 70017291
ER  -