Butterley Company correspondence file on the Stanton Ironworks Company mining area, relating to discussions between the two companies about arrangements Including confidential report on the continuity of Butterley Company's coal interests, Feb1944, notes on Stanton's mining leases, information on the reserves of the Kirkby Royalty, May 1944, chemical analysis of coal seams, June 1944, and notes on weekly reports, July 1945: and loose reports and notes on Stanton's collieries of Teversal, Silverhill and Pleasley, Apr 1944, report on the lives of the Butterley Company's Derbyshire collieries and Kirkby Colliery, and plans showing sites of collieries and areas in Nottinghamshire and Derbyshire covered by colliery companies, c1944 Feb 1944-1945