020-6 Wyo. Code R. § 6-1
(a) The permittee shall comply with all applicable State, local and Federal laws and regulations and the requirements of this Chapter in the use of explosives.
(b) Blasts that use more than five pounds of explosives or blasting agent shall be conducted according to the schedule required under Section 3.
(c) All persons working with explosive material shall be, or be under the direct supervision of, an experienced, trained, and competent person who understands the hazards involved and who:
(d) Blasting operations within 500 feet of active underground mines require approval of the State and Federal regulatory authorities concerned with the health and safety of underground miners.
(e) Blasting signs clearly warning that explosives are in use in particular areas, explaining blast-warning and all-clear signals, and explaining the marking of blast areas, shall be posted at all public entrances to the permit area. Signs containing "blasting area" shall be posted along the edge of any blasting area that comes within 100 feet of any public road right-of-way and at the point where any other road provides access to the blasting area.
020-6 Wyo. Code R. § 6-1