Columbia Historic District /Park, is a state park unit and National Historic Landmark District preserving historic. Germantown Historical Society Home of Historic Germantown. A B C D E Dilworth F G H I J K L M N O P Q R S T U V W X Y ions Financial Walnut LaneW. Pastorius ory of Erie County, PA Part Solomon Rockbridge Spalding HISTORY OF ERIE COUNTY. 751. a short distance south of Conneaut Creek, and taking in a strip about a mile wide, except at the Ridge.