A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Roof bolting in Alabama coal mines and iron-ore mines
Results of roof bolting practice during 5 yr period; coal mine and ore mine installations; record of accidents during installation of roof bolts; advantages of roof bolting and recommendations. (see also condensation in Min J n 6214 Sept 24 1954 p 345-6; S African Min and Eng J v 65 pt 2 n 3226 Dec 11 1954 p 629, 631)
Roof bolting in Alabama coal mines and iron-ore mines
Results of roof bolting practice during 5 yr period; coal mine and ore mine installations; record of accidents during installation of roof bolts; advantages of roof bolting and recommendations. (see also condensation in Min J n 6214 Sept 24 1954 p 345-6; S African Min and Eng J v 65 pt 2 n 3226 Dec 11 1954 p 629, 631)
Roof bolting in Alabama coal mines and iron-ore mines
U S Bur Mines -- Information Cir
Young, H.C. (author)
1954
15 pages
35 Supp Plates
Article (Journal)
English
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