The Secretary conditionally approved the Oklahoma regulatory program, as submitted on February 28, 1980, amended on June 11, 1980, and resubmitted on December 8, 1980, effective January 19, 1981. He fully approved the Oklahoma program, as amended on August 15, 1985, effective January 14, 1986. Copies of the approved program are available at:
30 C.F.R. §936.10