Unplanned roof falls that are required to be reported in accordance with § 45.1-161.78 shall be marked on a map maintained at the mine to indicate the specific location of the fall.
Code 1950, §§ 45-61, 45-68.1; 1954, c. 191; 1966, c. 594, § 45.1-42; 1976, c. 598; 1978, c. 118; 1994, c. 28; 1999, c. 256; 2005, c. 3.