Friends of Historic Heishman’s Mill (FHHM) is a Pennsylvania 501c3 Non-Profit Corporation committed to increasing public access to the Conodoguinet Creek Water Trail at the mill and insuring the ongoing preservation of the mill and dam through educational programs about the history of the mill and water power in early Cumberland County, as well as the important role of water resources and water quality in our environment. Heishman’s Mill is proudly listed on the National Historic Registry and is considered one of the most intact, historically correct mills in the area.