Number 4: Autumn 1978 - Harmony Society, Providence Baptist Church, Beaver Division Canal, Indian Names, Townsend Park, Hookstown and Southside.
Number 3: Summer 1978 - Fort McIntosh, Ambridge.
Number 2: Spring 1978 - Logstown, Bigfoot, Sam Brady, Aliquippa.
Number 1: Winter 1978 - Col. Daniel Broadhead, Oil in Hopewell, Landmarks Maps.