358 A.2d 745 Commonwealth of Pennsylvania, Insurance Department v. The Pennsylvania Coal Mining Association, Kerry Coal Company, Moshannon Falls Mining Company, Shawville Coal Company, Sunbeam Coal Corporation, West Freedom Mining Corporation and Reading Anthracite Company, Appellants. Coal Mining Compensation Rating Bureau of Pennsylvania, Intervenor. Commonwealth Court of Pennsylvania.Argued March 1, 1976 June 1, 1976. Insurance […]