Helvetia Coal Company

Wednesday, March 14, 1979
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SECRETARY OF LABOR, MINE SAFETY AND HEALTH ADMINISTRATION MSHA, PETITIONER

v.

HELVETIA COAL COMPANY, RESPONDENT

  • Docket No. PITT 79-12-P
Mine Name:
Lucerne No. 6 Mine
SECRETARY OF LABOR, MINE SAFETY AND HEALTH ADMINISTRATION MSHA, PETITIONER

v.

KEYSTONE COAL MINING CORP., RESPONDENT

  • Docket No. PITT 79-5-P
Mine Name:
Margaret No. 11 Mine