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History

the Old Mill

In 1852, Daniel Kennedy built the first gristmill on Slippery Rock Creek. Fire destroyed the mill so he rebuilt it in 1868.

Thomas McConnell bought the mill in 1875, and improved it by replacing the waterwheel with water turbines and the grinding stones with rolling mills. One of the first rolling mills in the country, it processed corn, oats, wheat, and buckwheat for local customers.

Sagging profits and antiquated equipment closed the mill in 1928.

In 1946, the mill and surrounding property was conveyed from Thomas H. Hartman to the Western Pennsylvania Conservancy and later to the Commonwealth of Pennsylvania with the wish that it be preserved for future generations.

McConnells Mill State Park was formally dedicated in October of 1957.

McConnells Mill Covered Bridge

One of two covered bridges in Lawrence County, it was built in 1874 and is of Howe Truss design. The bridge is on state park land but is the property of Lawrence County.