External Links
Publications (8)
- Bennet & Vernon (1997); Mines of the Gwydyr Forest, Book 7 - Llanrwst: Coed Gwydyr & Cae Coch, Llengelynin: Trecastell & Derwen Deg
- BGS - Mine Plans (large, zoomable) - Rough Sketch Of 6-7 Levels Trecastell Lead Mine; 1 pages
- BGS - Mine Plans (large, zoomable) - Trecastell Lead Mine; 1 pages
- BGS - Mine Plans (large, zoomable) - Trecastell Lead Mine; 1 pages
- NMRS; British Mining 11 - Memoirs 1979; p.59.
- NMRS; British Mining 39 - Memoirs 1989; p.31.
- NMRS; Memoirs 1968; pp.77-78.
- Smith B., Dewey H. (1922); BGS - Mineral Resources of GB (c1920s) Vol XXIII - Lead & Zinc: Pre-Carboniferous Shropshire & North Wales; 111 pages
