"91001140" . . "Swatara Furnace"@en . "80937.1"^^ . "1991-09-06Z"^^ . "1830Z"^^ . . "Swatara Furnace is a historic iron furnace and national historic district located at Pine Grove Township, Schuylkill County, Pennsylvania. The district includes four contributing buildings and two contributing structure. They are the furnace (1830), stone dam breast (c. 1850), ironmaster's mansion (c. 1830, c. 1860, c. 1881, and c. 1969), barn (c. 1860), stone foreman's house (c. 1830), and stone worker's double house (c. 1830)."@en . . .