Tavistock: grid reference SX510281

Notable minerals: Chalybite, Galena, Limonite & Vivianite.

Situated one and a half miles north of Mary Tavy, Wheal Betsy has also been known as North Wheal Friendship and Prince Arthur Consols. The mine worked a N-S silver-lead lode from Job's Shaft - incidentally the only engine house still standing on Dartmoor - now a National Trust property. Other shafts on the sett include Williams' New Engine Shaft, Bullen's Shaft, Taylor's Shaft and South Engine Shaft. The mine is known to have been at work in 1740. It closed and reopened in 1806 and amalgamated with Wheal Friendship. It demerged in 1837, closed in 1846 and eestarted as Prince Arthur Consols in 1863.

Production records report that as Wheal Betsy 1845-77 - 996 tons of 63% lead. In 1853 and between 1870-76 - 2,019 ounces of silver. South Betsy between 1859-60 raised 40.5 tons of 64% lead and 467 ounces of silver. As Prince Arthur Consols between 1865-67 it produced 463 tons of 73% lead and 4,727 ounces of silver. As Wheal Friendship between 1854 and 1861 - 381 tons of 64% lead. In the period 1855-59 it raised 2,056 ounces of silver.