Beyond Blue Mountain to the Northern Tier » Perry County » From Elliottsburg to Blain » Eastern Pennsylvania » H. R. Wentzel and Son's Mill H. R. Wentzel and Son's Mill Details 1805. PA 74, Bridgeport John Waggoner built this two-and-one-half-story stone gristmill in 1805. In 1925 it was purchased by H. R. Wentzel, who owned a feed mill in Newport. It continues to manufacture Ivory flour and cornmeal. Writing Credits Author: George E. Thomas