Papers of the Wigan Coal and Iron Company Limited sent to H. Eustace Mitton on the development of a proposed colliery at Bothamsall, Nottinghamshire, with plan of site proposed colliery Comprising two letters from the Managing Director JT de Seyfried, 3 Dec 1927, memorandum on financial proposals, 3 Dec 1927, plan of site proposed colliery, 2 Dec 1927 Dec 1927