| Description | Including copies of reports of Markham Roomheat Works, 1972-1973, Avenue Coking Works, 1972-1976, Coventry Homefire Plant, 1972-1976, Smithy Wood Plant, Sheffield, 1972, Manvers and Glasshoughton Coke Works, West Yorkshire, 1973-1976, and assorted plants in Durham, 1975 |