Copy report book of the Manager of Sutton Colliery reporting to the Secretary of Blackwell Collieries Company Limited S.M. Merry being the Manager of Sutton Colliery and G.R. Silksone being the Secretary. The first half of the book concentrates on the developments and costs of working the Deep Hard and Low Mains seams from 1933 with estimates on expenditure for 1937-1939; reports for specific time periods (more than fortnightly) from 22 Jan 1936 start on page 62. Some loose papers on yearly figures 1923-1939 have been inserted at the end of the volume. 22 Jan 1936-13 Jul 1938