Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Methods of mine timbering
Illustrated extract from "Bulletin No. 2, of the California State Mining Bureau." Examples of square setts are given, including those used on the "Comstock Lode." Serial.
Methods of mine timbering
Illustrated extract from "Bulletin No. 2, of the California State Mining Bureau." Examples of square setts are given, including those used on the "Comstock Lode." Serial.
Methods of mine timbering
Min Jour
1895
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1925
| Engineering Index Backfile | 1901
Engineering Index Backfile | 1925
| Engineering Index Backfile | 1900
Safe and efficient mine timbering
| Engineering Index Backfile | 1919