A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mining and crushing methods and costs at West Penn Cement Co., limestone mine, West Winfield, Pa.
History, topography and geology; exploration and sampling; mining methods; broken stone loaded with electric shovels; underground haulage with electric locomotives; drainage; ventilation; timbering; shale mining; crushing plant; safety methods; cost data. (see also Rock Products, vol. 34, no. 13, June 20, 1931, pp. 40-48, 6 figs)
Mining and crushing methods and costs at West Penn Cement Co., limestone mine, West Winfield, Pa.
History, topography and geology; exploration and sampling; mining methods; broken stone loaded with electric shovels; underground haulage with electric locomotives; drainage; ventilation; timbering; shale mining; crushing plant; safety methods; cost data. (see also Rock Products, vol. 34, no. 13, June 20, 1931, pp. 40-48, 6 figs)
Mining and crushing methods and costs at West Penn Cement Co., limestone mine, West Winfield, Pa.
U. S. Bur. Mines -- Information Cir
Morrison, G.A. (author)
1931
21 pages
6 Figs. on Supp. plates
Article (Journal)
English
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New West Penn Water Co. Supply
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