Aerial tramways in the metal mining industry.
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| Title: | Aerial tramways in the metal mining industry. |
|---|---|
| Authors: | Metzger, O. H. |
| Source: | United States Bureau of Mines. Information Circular; 1937, Vol. 6948, p1-32, 32p |
| Database: | Applied Science & Technology Source |
| Description not available. |
