[Statutory Provision]
No device for the purpose of lighting any coal mine which has not been approved by the Secretary or his authorized representative shall be permitted in such mine.
053-4 Wyo. Code R. § 75.522
[Statutory Provision]
No device for the purpose of lighting any coal mine which has not been approved by the Secretary or his authorized representative shall be permitted in such mine.
053-4 Wyo. Code R. § 75.522