Petticoat Junction - S01E24 – Behind All Silver, There's a Cloud Lining

Episode Plot: Uncle Joe is given the task of digging a drainage ditch for the Shady Rest. He finds the lazy way to do it by spreading rumours of a silver mine in the ground by the Shady Rest. He figures others will do the digging for him.
Series Plot: The misadventures of the family staff of The Shady Rest Hotel and their neighbours of Hooterville.
Stars: Bea Benaderet as Kate Bradley, Linda Henning as Betty Jo Bradley, Pat Woodell as Bobbie Jo Bradley, Jeannine Riley Billie Jo Bradley & Edgar Buchanan as Uncle Joe Carson