Permissible explosives, mining equipment, and apparatus approved prior to January 1, 1924 /
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| Main Author: | |
|---|---|
| Other Authors: | , , |
| Format: | Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off,
1924.
|
| Series: | Technical paper (United States. Bureau of Mines) ;
364. |
| Subjects: |