Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Describes the successful system of driving a tunnel through unusually hard rock, after it had been given up by three contractors. (5500 w.) (No. 3670 C)
Describes the successful system of driving a tunnel through unusually hard rock, after it had been given up by three contractors. (5500 w.) (No. 3670 C)
Roosevelt tunnel
Mines Min
Herrick, R.L. (Autor:in)
1909
Ills.
Aufsatz (Zeitschrift)
Englisch
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The Roosevelt deep drainage tunnel, Colorado
| Engineering Index Backfile | 1909
Roosevelt City Comprehensive Plan
NTIS | 1970
Online Contents | 1996
Theodore Roosevelt dam modification
| British Library Conference Proceedings | 1994