Pulp and Paper Mill on the Saint Croix River in Woodland, Maine. The largest employer in Washington County, with 310 employees in two mills. Woodland Pulp Mill produces St. Croix hardwood pulp for sale to paper manufacturers worldwide. The Saint Croix Tissue Mill produces bulk rolls of paper for sale to finished product manufacturers for household and commercial toilet paper, facial tissue, napkins and towels. The mills have been operating in Woodland since 1904.