§ Mr. Bermingham
asked the Secretary of State for the Environment what the total acreage of derelict land in England was in (i) 1975 and (ii) 1985, or the last year for 421W which figures are available; and what total acreage of derelict land within those figures is attributable to coal mining activities.
§ Sir George Young
Surveys of derelict land in England were carried out in 1974 and 1982 and the information requested is available only for those two years as follows:
Acres 1974 1982 Total amount of derelict land in England 106,900 112,800 Of which spoil heaps account for 32,400 32,900 Of which colliery spoil heaps account for * 12,500 * Not available.