Drilling and blasting in metal-mine drifts and crosscuts.
| Other Authors: | |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington?] :
U.S. Government Printing Office,
1929.
|
| Series: | Mines Bur. Bull. No. 311
|
| Subjects: | |
| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [On observations at various mines; with data] Includes index. Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
|---|---|
| Physical Description: | 1 online resource (vii, 170 pages) |
| Format: | System requirements: PDF reader software. |