496 A.2d 1367 G. David Austin, et al., Appellants v. Zoning Hearing Board of Forks Township, Appellee. Commonwealth Court of Pennsylvania.Argued June 6, 1985 August 23, 1985. Zoning — Nonconforming use. 1. A municipality is without power to prevent an owner of property from making additions to his nonconforming use to provide for its natural […]