16 Pa. Stat. § 6002
The authority to supervise, build and maintain fairgrounds, parks, parkways, bridle paths, horse show rings, footpaths, playgrounds, playfields, gymnasiums, public baths, swimming pools or indoor recreation centers may be vested in any existing body or board, or in a park board, or recreation board, or fair board, as the county commissioners may determine. The county commissioners of the county may equip, operate and maintain the fairgrounds, parks, parkways, bridle paths, horse show rings, foot paths, playgrounds, playfields, gymnasiums, swimming pools, public baths or indoor recreation centers as authorized by this act, and may, for the purpose of carrying out the provisions of this act, employ play leaders, recreation directors, supervisors, superintendents or any other officers or employes, as they deem proper.
16 P.S. § 6002