<page_title> List of Pennsylvania state historical markers in Schuylkill County </page_title> <section_title> Historical markers </section_title> <table> <cell> Mahanoy Plane </cell> <cell> September 8, 2007 <col_header> Date dedicated </col_header> </cell> </table>
On September 8, 2007, the Pennsylvania state historical markers erected the Mahanoy Plane as a historic marker.