Illustrated description of plant, methods, average output, haulage cost, etc. (2500 w.) (No. 89215)
The anthracite mines at Alden, Penn.
Eng Min Jour
1907
Article (Journal)
English
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First aerial disposal plant in anthracite region erected by Glen Alden at Huber Breaker
Engineering Index Backfile | 1939
|Engineering Index Backfile | 1940
Engineering Index Backfile | 1929
Engineering Index Backfile | 1940