5th International Strata Control Conference, London, 1972

An edition of 5th International Strata Control Conference, London, 1972 (1972)

5th International Strata Control Conference, London, 1972

By International Strata Control Conference (5th 1972 London, England)

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Publish Date

1972

Publisher

National Coal Board

Language

eng

Pages

62

Description:

subjects: Coal mines and mining, Congresses, Mine roof bolting, Mine timbering, Safety measures