TY  - SER
ED  - Center of Nonferrous Mining
TI  - Mining and Contracting Review
PY  - 1947///-
CY  - Salt Lake
PB  - Center of Nonferrous Mining
KW  - ExplotaciÃ³n
KW  - MinerÃ­a
N1  - DepÃ³sito
ER  -