053-2 Wyo. Code R. § 56.1000
The owner, operator, or person in charge of any metal and nonmetal mine shall notify the nearest Mine Safety and Health Administration and Metal and Nonmetal Mine Safety and Health Subdistrict Office and the State Mine Inspector before starting operations, of the approximate or actual date mine operation will commence. The notification shall include the mine name, location, the company name, mailing address, person in charge, and whether operations will be continuous or intermittent.
When any mine is closed, the person in charge shall notify the nearest subdistrict office as provided above and indicate whether the closure is temporary or permanent.
053-2 Wyo. Code R. § 56.1000
Approved by the Office of Management and Budget under control number 1219-0092