HC Deb 17 November 1978 vol 958 c389W
Mr. Siliars

asked the Secretary of State for Energy what is the current cost per

Deep-mined coal production Great Britain (million tones) Output per manshift overall at NCB collieries* (tones)
January-September 1970 … … … … … 104.0 2.24
January-September 1971 … … … … … 103.8 2.25
January-September 1972 … … … … … 73.4 2.14
January-September 1973 … … … … … 94.5 2.34
January-September 1974 … … … … … 69.0 2.10
January-September 1975 … … … … … 86.0 2.26
January-September 1976 … … … … … 80.1 2.22
January-September 1977 … … … … … 77.8 2.18
January-September 1978 … … … … … 77.3 2.23
* Based on manshifts worked on revenue production.

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