020-8 Wyo. Code R. § 8-3
(a) Drill sites and associated Light-use roads, as defined in Chapter 1, shall be restored as nearly as possible to their original condition.
(b) All drilling fluids, drill cuttings and geologic samples shall be confined and buried below grade to the extent possible. Excess drilling mud and drill cuttings or any acid-forming or toxic materials uncovered during or created by exploration by drilling, including petroleum contaminated soils, shall be properly disposed of so as not to constitute a fire, health, or safety hazard during or after the exploration by drilling.
(c) To the extent possible, any surface preparation of the drill site shall be accomplished in a manner consistent with Chapter 3, Section 2(b), Land Quality Noncoal Rules and Regulations.
(d) To the extent possible, topsoil removal and stockpiling shall precede any excavation within the drill site and associated light-use roads in a manner consistent with Chapter 3, Section 2(c) and 2(i), Land Quality Noncoal Rules and Regulations.
(e) To the extent possible, the discoverer shall reestablish the vegetative cover where vegetation has been removed or destroyed within the drill site and associated light-use roads by seeding, planting, transplanting, or by other adequate methods in a manner consistent with Chapter 3, Section 2(d) and 2(i), Land Quality Noncoal Rules and Regulations.
(f) All lands, including access roads or terrain damaged in gaining access to or clearing the site, or lands whose natural state has been substantially disturbed as a result of the exploration by drilling, shall be restored as nearly as possible to their original condition, including reseeding if grass or other crop was destroyed.
020-8 Wyo. Code R. § 8-3