Site of former coke and gas works of adjacent colliery (see polygon HSY 2716) which expanded into this area (formerly an ancient woodland) from the 1920s onwards (Taylor 2001, 79). Smithy Wood was found to be rich in bell pit remains during construction of the M1 motorway in the 1960s thought to have been of medieval origin associated with the iron mining and smelting activities of the monks of Kirkstead Abbey (Jones 1989, 59). Mine was the property of N.C. Thorncliffe Collieries Ltd, part of the Newton, Chambers and Co. Ltd. Complex of extractive and related industries based in Chapeltown / High Green. Fragmentary legibility of extractive activities despite apparent levelling.