The public square in the district of Kensington, in the county of Philadelphia, bounded on the northwest by the Frankford road, on the southeast by Beach street, on the southwest by Maiden street and on the northeast by Manderson street, is hereby named and shall hereafter be called Shackamaxon square; and the commissioners of said Kensington district shall, at all times hereafter, keep said square properly enclosed and planted with trees; and no building shall ever be erected thereon; and it shall be lawful for said commissioners, whenever they shall deem it expedient so to do, to remove the market-house fronting on Beach street, for the purpose of enlarging and improving said Shackamaxon square.
53 P.S. § 16525