740 P.2d 818 A. BRYAN BERGENER; VIVIAN C. BERGENER; RAY G. MARTINEAU; AND SHIRLENE P. MARTINEAU, PLAINTIFFS AND APPELLANTS, v. DRAVO CORPORATION, A CORPORATION; DRAVO COAL COMPANY, A CORPORATION; ROCKY MOUNTAIN ENERGY COMPANY, A CORPORATION, AND DRAVO COAL COMPANY, ROCKY MOUNTAIN ENERGY COMPANY, A CORPORATION, AND DRAVO COAL COMPANY, A CORPORATION, A GENERAL PARTNERSHIP DOING […]