A survey of roof supports examined by SMRE during the period 1960-1967
An edition of A survey of roof supports examined by SMRE during the period 1960-1967 (1969)
By S. G. Harris
Publish Date
1969
Publisher
Safety in Mines Research Establishment
Language
eng
Pages
51
Description:
subjects: Mine inspection, Mine timbering, Mineral industries
Places: Great Britain