053-4 Wyo. Code R. § 75.1202-1

Current through April 27, 2019

Section 75.1202-1 - Temporary notations, revisions, and supplements

(a) Mine maps shall be revised and supplemented at intervals of not more than 6 months.

(b) Temporary notations shall include:

• (1) The location of each working face of each working place;

• (2) Pillars mined or other such second mining;

• (3) Permanent ventilation controls constructed or removed, such as seals, overcasts, undercasts, regulators, and permanent stoppings, and the direction of air currents indicated;

• (4) Escapeways designated by means of symbols.

053-4 Wyo. Code R. § 75.1202-1