On this site in 1876, Joseph K. Groff built Groff's Mill, a steam-powered grist mill on Negley's Run. In 1877, when Joseph joined his brother, John K. Groff, in the meat business at a butcher shop at 13 North Market Street, he sold the mill to Jacob . . . — — Map (db m135098) HM
The Groff, Stauffer, Binkley Mill was most likely steam powered but many of the local mills were run on a water stream's flow and water pressure as depicted here.
Standard Mill Mechanisms (panel 1)
Grain Bin • Chute • Elevator • . . . — — Map (db m135199) HM