Medlyn is a site of disused mines near Porkellis in Cornwall, England.[1][2]

References
edit- ↑ Ordnance Survey: Landranger map sheet 203 Land's End & Isles of Scilly (St Ives & Lizard Point) (Map). Ordnance Survey. 2009. ISBN 978-0-319-23289-7.
- ↑ Ordnance Survey One-inch Map of Great Britain; Land's End, sheet 189. 1961