The North Dakota Abandoned Mine Plan as submitted on July 28, 1981, is approved. Copies of the approved program are available at: Casper Field Office, Office of Surface Mining Reclamation and Enforcement, 100 East B Street, room 2128, Casper, WY 82601-1918; Telephone: (307) 261-5776.North Dakota Public Service Commission, Abandoned Mine Land Division, State Capitol, Bismarck, ND 58505; Telephone: (701) 224-4096. [57 FR 33116, July 27, 1992]