Correspondence file of H. Eustace Mitton on the writing of a report on The Derby Kilburn Colliery Company Limited following its being taken into receivership and on a subsequent report on Stanley Footrill Colliery Including typed copy of the receivership report, 20 Nov 1916, copy of report by Mitton on Stanley Footrill Colliery, 4 May 1917, and plan of coal workings in the area worked by the Derby Kilburn Colliery Company Oct 1916-Nov 1917