(a) Liquefied and nonliquefied compressed gas cylinders transported into or through an underground coal mine shall be:
(b) In addition to the requirements of paragraph (a) of this section, when liquefied and nonliquefied compressed gas cylinders are transported by a trolley wire haulage system into or through an underground coal mine, such cylinders shall be placed in well insulated and substantially constructed containers which are specifically designed for holding such cylinders.
(c) Liquefied and nonliquefied compressed gas cylinders shall not be transported on mantrips.
053-4 Wyo. Code R. § 75.1106-2