Procedure for testing explosives for permissibility for use in gaseous and dusty coal mines with test requirements, tolerance limits, and schedule of fees.
| Format: | Government Document eBook |
|---|---|
| Language: | English |
| Published: |
[Washington] :
GPO,
1921.
|
| Series: | Mines Bur. Schedule No. 17
|
| Subjects: | |
| Online Access: | Connect to the full text of this electronic document |
| Item Description: | Electronic resource. |
|---|---|
| Physical Description: | 1 online resource (12 pages) |