TY  - RPRT
TI  - Contributions to economic geology, 1905: Copper
AU  - W. H. Weed
AU  - W. H. Emmons
AU  - A. J. Collier
AU  - W. C. Phalen
PY  - 1906
DO  - 10.3133/b285b
UR  - https://pubs.usgs.gov/publication/b285B
ID  - b285B
ER  -