Correspondence, plans and reports relating to Rawdon Unit and closure of Church Gresley shafts Including manuscript notes on boring stations at Church Gresley, minutes of meeting in Rawdon Unit Planning Department, 21 June 1968, with scheme of costs and plans of Rawdon Unit Eureka Seam in the Overseal area, notes of Rawdon Unit Planning Department on Netherseal Eureka and Church Gresley Catchment, May 1968, notes on meetings on closure of Church Gresley shafts, 2 May 1968 and 21 March 1969 Mar 1968-Mar 1969