Series of 3-4m dia shafts and mounds south of the trackway to Trellyniau Fawr and Rhewl Farm likely relate to mining activity from earlier times. The easternmost shaft may have had a whim platform, indicating the use of a whim engine to lift materials or water.
External Links
Publications (1)
- Foster-Smith, James R.; NMRS (1974); Occasional Publication 7 - Non-Ferrous Mines of Flintshire, The; p.83




