Sale and closure of mines The Redlands Coal Company continued to run the mines until 1948, when they sold them back to Bethlehem Steel, which operated them for another year before selling them to the Pine Township Coal Company. The Pine Township Coal Company continued to operate until 1959, when the final remaining mine, #11, was exhausted and closed for good.
Sale and closure of mines The Redlands Coal Company continued to run the mines until 1948, when they sold them back to Bethlehem Steel, which operated them for another year before selling them to the Pine Township Coal Company The Pine Township Coal Company con.tinued to operate until 1959, when the final remaining mine, #11, was exhausted and closed for good.