Michigan Silica Company, Formerly Known as Ottawa Silica Company
1986-03-19T12:00:00
SECRETARY OF LABOR, MINE SAFETY AND HEALTH
ADMINISTRATION (MSHA), PETITIONER
v.
MICHIGAN SILICA COMPANY, FORMERLY KNOWN AS
OTTAWA SILICA COMPANY,
RESPONDENT
- LAKE 85-67-M
Mine Name:
Michigan Silica Company