This part establishes requirements for certain bituminous surface coal mining activities located west of the 100th meridian west longitude in Wyoming which existed on January 1, 1972, and for surface coal mining activities immediately adjacent thereto which began development after August 3, 1977, in accordance with section 527 of the Act.

Special bituminous coal mines in Wyoming, as specified in section 527 of the Act, shall comply with the approved State program, including Wyoming statutes and regulations, and revisions thereto.