Around the collapsed level portal, there are dumps containing barytes predominantly exhibiting a habit akin to the ‘oakstone’ variety found in Derbyshire.
1735 Thomas Ascough, John Yarker, William Currer & Walter Downs 1850 Joseph Wear 1851-1852 Thomas Joy 1852 Bains & Co. 1854-1866 William Sarginson & Co. 1855 Robert Hebden 1856-1857 Thomas Joy 1861 John Hillery & Co. 1862-1871 Sar