United States Steel Corp.

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1982-08-10T12:00:00
82081551.PDF
SECRETARY OF LABOR, PETITIONER

v.

UNITED STATES STEEL CORP., RESPONDENT
  • PENN 81-86

Mine Name:

Maple Creek No. 1 Mine
UNITED STATES STEEL CORP., CONTESTANT
SECRETARY OF LABOR, RESPONDENT
  • PENN 81-47-R

Mine Name:

Maple Creek No. 1 Mine