Copy letter from Roger Fleming, Coniston, to Martin Lister ' A Letter from Mr Roger Fleming to Dr Lister, containing an account of the Names of the several Copper Works on Mines in Coniston - Fells, which were wrought in, when the Smelt-houses were up at Kenwick; and of those places discovered since, which were never wrought in : taken from three old Men hereafter named, who were Workmen in the said Works, and are now living in this County of Lancaster. ' 15 September 1684