Rock Run Grist Mill - Havre de Grace, MD - Signs of History on Waymarking.com

The plaque says, "John Stump III "of Stafford" built and operated the Rock Run Grist Mill along with several other mills in Harford, Cecil, and Baltimore Counties. Stump managed the Mill from 1800 until his death in 1816, when it was then passed to Dr. John Archer Jr., husband of Stump's daughter Ann. In 1904, the Mill passed from the Archers to John Macklem, and then to Wilford Wilkinson in 1929. In 1960, the Maryland Department of Forest and Parks bought the Mill and surrounding land and operated the Mill for public demonstration by 1965. The Mill's wheel was originally installed in 1900, but was replaced in 1964 and then again in 2007. Fitted with 84 buckets and weighing nearly 12 tons, the Mill's wheel rotates by means of belts, pulleys, gears, and buckets of water in order to grind grain. The grinding processes was only performed during the day because the flower dust could combust if it came into contact with the flame of a candle. The Mill housed a post office on the second floor from 1827 to 1856 and was frequently used as a communal market."

Group that erected the marker: Unknown Address of where the marker is located. Approximate if necessary: Havre de Grace, MD, USA URL of a web site with more information about the history mentioned on the sign: Not listed

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