Original and draft leases of mining rights for fluor spar at Longstone Edge granted by Walter Herbert Wright and another: Copy lease to Messrs Walter Drabble and Co Ltd, 1906, annotated with details of lease to Messrs Biggs and Bradley, 1908 Counterpart lease to Messrs Biggs and Bradley, 1908 Lease to Messrs Biggs and Bradley, 1909, annotated with details of lease to the Fluor Spar and Mineral Concessions Company Ltd, 1910 Draft warrant of distraint on Messrs Biggs and Bradley, 1912 Draft agreement for mining caulk or barytes, to George Henry Key, 1912 1906-1912