Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Economics through roof bolting in Indiana mine
Savings made by roof bolting main west entry of Kings mine, Indiana; character of roof and timbering methods; history and method of roof bolting; method of estimating cost.
Economics through roof bolting in Indiana mine
Savings made by roof bolting main west entry of Kings mine, Indiana; character of roof and timbering methods; history and method of roof bolting; method of estimating cost.
Economics through roof bolting in Indiana mine
U S Bur Mines -- Information Cir
Kelly, L.W. (Autor:in)
1952
10 pages
Diagrams, 8 Supp plates
Report
Englisch
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| Engineering Index Backfile | 1953
| Engineering Index Backfile | 1957
| Engineering Index Backfile | 1952