Magma Copper Company
1981-02-04T12:00:00
SECRETARY OF LABOR, MINE SAFETY AND HEALTH ADMINISTRATION (MSHA),
PETITIONER
v.
MAGMA COPPER COMPANY, RESPONDENT
- WEST 79-79-M
- WEST 79-158-M
- WEST 79-351-M
- WEST 79-382-M
- DENV 79-485-PM
Mine Name:
SAN MANUEL