island-creek-coal-company-v-district-28-united-mine-workers-of-america , 29 F.3d 126 ( 1994 )
United Paperworkers International Union v. Misco, Inc. , 108 S. Ct. 364 ( 1987 )
upshur-coals-corporation-v-united-mine-workers-of-america-district-31 , 933 F.2d 225 ( 1991 )