TY  - RPRT
TI  - Contributions to economic geology 1906 : Part I - metals and nonmetals except fuels -- Nickel, Uranium, etc.; Lead and Zinc
AU  - H. S. Gale
AU  - George Otis Smith
AU  - George Frederick Kay
PY  - 1907
DO  - 10.3133/b315c
UR  - https://pubs.usgs.gov/publication/b315C
ID  - b315C
ER  -