Butterley Company correspondence file on its standard tonnage objection and appeal under the Midland (Amalgamated) District (Coal Mines) Scheme 1930 The company's appeal being based on the expansion of Ollerton and other collieries. Including loose printed table of rates per ton of commercially disposable coal under the Scheme for Derbyshire and Nottinghamshire coal mines (with spaces left blank for appellant company), 1927-1933, and other unused forms, typed copy of verbal statements by S.T.C. in response to questions on quotas, c1932, and letter on output figures for Pilsley Colliery, for three weeks ending 29 Aug-12 Sep 1942, 2 Oct 1942 Jan 1932-Jan 1933