U.S. Steel Mining Co., Inc.
1986-11-14T12:00:00
SECRETARY OF LABOR,
MINE SAFETY AND HEALTH ADMINISTRATION (MSHA), PETITIONER
v.
U.S. STEEL MINING CO., INC., RESPONDENT
- PENN 86-123
Mine Name:
Cumberland MineU.S. STEEL MINING CO., INC., CONTESTANT
SECRETARY OF LABOR,
MINE SAFETY AND HEALTH ADMINISTRATION (MSHA), RESPONDENT
- PENN 86-178-R
Mine Name:
Cumberland Mine