HC Deb 13 October 1975 vol 897 c643W
22. Mr. John H. Osborn

asked the Secretary of State for Energy what is the current average monthly output of coal from British mines; how many people

27th September 1975 5 weeks ending 28th September 1974 29th September 1973
Production (all mines)—thousand tons 10,423 10,763 11,218
Number of wage-earners on colliery books at end period—thousands 248 246 252
Average output per manshift (overall) during period—cwts. 42.85 44.26 44.48