Michigan Geographic Framework (November 15, 2013). "Alcona County School Districts"(PDF). Archived(PDF) from the original on August 21, 2014. Retrieved July 14, 2022.
Michigan Geographic Framework (November 15, 2013). "Alcona County School Districts"(PDF). Archived(PDF) from the original on August 21, 2014. Retrieved July 14, 2022.