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Carlin How Ironstone Mine
Opened in c.1896 and came under the ownership of Dorman Long & Co ltd in 1923. By 1924 the mine employed 334 people (248 working under ground, 86 on the surface).[1] From around 1925, Carlin How worked in conjunction with the Lumpsey Ironstone mine; all stone was wound at the Lumpsey Shaft (depth of 570 ft), whilst the Carlin How shafts were used for winding men and material and for pumping.