Donald H. Haydo and Patricia A. Haydo, His Wife v. Amerikohl Mining, Inc , 830 F.2d 494 ( 1987 )
In Re Permanent Surface Mining Regulation Litigation. Appeal of Peabody Coal Company , 653 F.2d 514 ( 1981 )
National Wildlife Federation v. Manuel Lujan, Jr., National Coal Association and American Mining Congress, (Two Cases) , 928 F.2d 453 ( 1991 )