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0200027830 20030730105351.0 s1956 enka fr |00||||eng NGL a440 ; a713 Jenkins, John Dewi. Coal mines rescue and fire-frighting : a handbook for safety officers, colliery officials, mine rescue workers, and mining students, with a foreword by J.C. Mitcheson / John Dewi. Jenkins and John William. Waltham. London : Griffin, 1956. 221 p. : ill. ; 22 cm. aWaltham, John William. NGL 200269 440 J41 afqy b1 efqy0306