53 Pa. Stat. § 5209
The duly constituted authorities of political subdivisions of this Commonwealth are hereby authorized and empowered to acquire by donation, agreement, lease, purchase, or the exercise of the power of eminent domain, and own or hold in the name of such political subdivision, any pillars in any anthracite or bituminous coal mine, or any other necessary support of the surface over and above such mine, or any interest, right or title in the same, or in other real or personal property, lands, easements or other rights, necessary to prevent subsidence, collapse, or caving in, of the surface or structures thereon, which may result from anthracite or bituminous coal mining operations, and to prevent the collapse, injury, or destruction, of any public building or any structure customarily used by the public as a place of resort, assemblage, or amusement, including, but not limited to, churches, schools, hospitals, theatres, hotels, and railroad stations, or any public street or highway, or any facility used in the service of the public by any municipal corporation, municipal authority, or public utility, or any factory, store, or other industrial mercantile establishment, or any cemetery or public burial ground, or any dwellings or other structures in any built-up locality.
53 P.S. § 5209