tug-valley-recovery-center-v-james-watt-secretary-of-the-interior-david , 703 F.2d 796 ( 1983 )
commonwealth-of-virginia-ex-rel-virginia-department-of-conservation-and , 741 F.2d 37 ( 1984 )
Globe Disposal Co., Inc. v. Pennder , 105 Pa. Commw. 599 ( 1987 )