Lizard Mines By Ben Sumpter Period: 1717 to 1719 Nambol Mine 1740 Wheal Providence Period: 1740 to 1743 Wheal Providence 1742 Goonvean Croft Period: 1742 to 1744 Goon Vean Croft Period: 1748 to 1758 Wheal Providence Period: 1751 to 1753 Pitwell Croft Sett Period: 1754 to 1756 Tregoose Mine Period: 1790 to 1792 Wheal Loe Period: 1791 to 1792 Tregonwell Adit Period: 1795 to 1797 Penpoll & Gillian Setts 1807 Wheal Unity Period: 1807 to 1812 Wheal Unity Period: 1814 to 1816 Wheal Mudgan Period: 1815 to 1817 Trevilgin Mine Period: 1818 to 1823 Devil's Frying Pan Period: 1822 to 1828 Wheal Downas Period: 1823 to 1826 South Wheal Treasure Period: 1824 to 1826 Wheal Mexico Period: 1835 to 1837 Lizard Sett 1845 Trenance Mine Period: 1845 to 1854 Trenance Mine 1852 Wheal Fenwick Period: 1852 to 1856 Wheal Fenwick Period: 1870 to 1872 Trenance & Tregarne Mine 1906 Wheal Unity Period: 1906 to 1907 Wheal Unity 1911 Ghost Mine? Period: 1911 to 1912 Ghost Mine? 1919 Mullion United Mines Period: 1919 to 1923 Mullion United Mines 1923 Somerset Oxide & Ochre Company Period: 1923 to 1927 Somerset Oxide & Ochre Company
