Driven around 1890, the London Lead Co. conducted a trial driven due to the discovery of a large piece of float galena with exceptionally high silver content in the headwaters of Harwood Beck. Despite their efforts, no mineralized ground was found. However, during the excavation, the level crossed the Teesdale Fault and reached the Whin Sill dolerite.
External Links
Publications (1)
(1922); BGS - Mineral Resources of GB (c1920s) Vol XXVI - Lead & Zinc Ores or Durham, Yorkshire & Derbyshire; 126 pages
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Redgleam Veins - Shaft - 585m Lady's Rake - Dam - 1,017m Lady's Rake - Water Balance - 1,035m Jansen's Shaft - 1,036m Lady's Rake Mine - 1,046m Wigram's Level - 1,063m South Langtyhead High Level - 1,089m Scraith Head - Yad Moss Shop Level - 1,222m Yad Moss - 1,281m Ashgill Head Low Shop - 1,309m Willyhole Mine - 1,312m Reddycomb - 1,356m Redgleam Veins - Shaft - 1,368m Reddycomb Level - 1,419m Reddycomb Level - 1,458m Ashgill Head Middle Shop - 1,463m North Green Hurth Mine - Shaft - 1,475m Reddycomb Hush Level - 1,478m Ashgill Head Mine - 1,484m Hawksike Mine - 1,496m Hawksike - Grasshills Shaft - 1,516m Tallen Hush - 1,524m Hawksike Hushes - 1,556m Atrick's Vein Level - 1,569m Hawksike Hushes - 1,586m Hawksike - Old Level - 1,588m Reddycomb Hush - 1,595m Seldom Seen Hush - 1,607m Scraith Head - Shafts - 1,646m Rough Rigg, Trough and Scarends - Scarheads Mine Level - 1,671m Greenhurth Mine - Bothermere Level - 1,706m South Langtyhead High Level - 1,736m Scraith Head - Crookburn Level - 1,745m Ashgill Head High Shop - 1,748m Scarhead - 1,769m North Green Hurth Mine - Level - 1,789m Willyhole Mine Shaft - 1,801m Baking Level - 1,826m Greenhurth Mine - Rutter's Level - 1,875m New Whimsie Shaft - 1,887m Coatsworth Whimsie Shaft - 1,894m Crookburn Mine Shaft - 1,895m Willyhole Mine - Level below Little Limestone - 1,908m Herdship Level - 1,935m Willy Hole Sike High Level - 1,951m Rough Rigg, Trough and Scarends - Scarheads Opencuts - 1,974m
