What miner can do to prevent explosions of gas and coal dust [microform]
Saved in:
| Corporate Author: | |
|---|---|
| Format: | Government Document Microfilm Book |
| Language: | English |
| Published: |
Washington :
U.S. GPO,
1916.
|
| Series: | Miners' Circ. No. 21 (3rd ed.)
|
| Subjects: |
Norlin Library - Government Information - Microform
| Call Number: |
EBD I28.6-21.D
|
|---|---|
| EBD I28.6-21.D | Restricted Place a Hold |