. . . "National Coal Board" . . . . . "1946" . . "The Headquarters Technical Department of British Coal Corporation" . . . . . . . . . . . . . . "British Coal" . . . . "Statutory corporation" . . . . . "industry was nationalised" . "The British Coal" . "British Coal#British Coal Corporation" . . . . . . "British Coal Staff Superannuation Scheme" . "1987-03-05" . . . . . . . . "British Coal Corporation" . . "1987" . . . . . "British Coal" . .