Operators shall give notice of mine closures and file copies of maps with the Coal Mine Safety District Office for the district in which the mine is located and the State Mine Inspector.
053-4 Wyo. Code R. § 75.1204-1
Operators shall give notice of mine closures and file copies of maps with the Coal Mine Safety District Office for the district in which the mine is located and the State Mine Inspector.
053-4 Wyo. Code R. § 75.1204-1