A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Raising and sinking Kelley No. 1 shaft in Butte, Mont, coarse breaking granite; details of each step in raising, concreting and timber stripping.
Raising and sinking Kelley No. 1 shaft in Butte, Mont, coarse breaking granite; details of each step in raising, concreting and timber stripping.
Why Anaconda "raised" Kelley supply shaft
Eng Min J
Rood, A.D. (author)
1955
5 pages
Article (Journal)
English
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| Engineering Index Backfile | 1952
Online Contents | 2017
Online Contents | 2017
| Engineering Index Backfile | 1956
Anaconda sinks circular incline
Engineering Index Backfile | 1965