053-3 Wyo. Code R. § 57.22223
Current through April 27, 2019
A means of ventilating faces shall be provided before workings are abandoned in unsealed areas, unless crosscuts are provided within 30 feet of the face.
053-3 Wyo. Code R. § 57.22223
A means of ventilating faces shall be provided before workings are abandoned in unsealed areas, unless crosscuts are provided within 30 feet of the face.
053-3 Wyo. Code R. § 57.22223