HC Deb 30 June 1958 vol 590 c55W
15. Sir L. Ropner

asked the Paymaster-General how many acres of land in the West Riding of Yorkshire are already developed for opencast mining; and how many tons of coal have been mined from these sites since 1st June, 1957.

Sir I. Horobin

3,800 acres and 1.6 million tons.

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