1863 division Roskearnoweth.
1819-36, 1838, 1845-74
1,557 tons black tin
1816-74
167,400 tons 8% copper ore
6 tons zinc ore
1,340 tons arsenic
Publications (5)
- Collins, J.H. (1912); Observations of the West of England Mining Region; 753 pages
- Dines, Henry George (1956); BGS - Regional Memoirs - Metalliferous Mining Region of South West England Vol1, The; 567 pages
- Joseph Yelloly Watson (1843); Compendium of British Mining, with Statistical Notices… & Glossary; 97 pages
- NMRS; British Mining 57 - Memoirs 1996; p.158.
- Various (1920); BGS - Mineral Resources of GB (c1920s) Vols XIV, XV, XVI, XVII, XVIII - Fireclay; Arsenic & Antimony Ores; Refactory Materials, Lead & Zinc of Scotland, Rock-Salt and Brine (5 books); 777 pages












