5th International Strata Control Conference, London, 1972
By: organized by the National Coal Board.
Contributors: Great Britain. National Coal Board.
Publisher: National Coal Board
Published: 1972
Place of publication: [London]
Language: eng
Number of pages: 62
Subjects: Mine timbering -- Congresses.; Mine roof bolting -- Congresses.; Coal mines and mining -- Safety measures -- Congresses.
Notes: Includes bibliographies and index.