Pyro Mining Company
1992-10-16T12:00:00
SECRETARY OF LABOR,
MINE SAFETY AND HEALTH
ADMINISTRATION (MSHA),
Petitioner
v.
PYRO MINING COMPANY,
Respondent
COSTAIN COAL INCORPORATED,
Successor-In-Interest
- KENT 91-190
Mine Name:
Pyro No. 9 Slope