Mill Dam, Bottoms Mill, Austonley
- also known as: Harpin's Dam
- location: Austonley
- status: still exists
- category: small reservoir, pond, etc
Mill dam for Bottoms Mill.
Holmfirth Flood of 1852
The following bodies were found in the mill dam following the Holmfirth Flood of 1852:
- Sarah Hannah Dodd — found on 7 February 1852 by Firth Barber
- Charles Crosland — found on 7 February 1852 by Samuel Hardy
According to some newspaper reports, the body of Nancy Marsden was also recovered from the dam.