Some small coal jigs for mechanical cleaning of coal at truck mines and other low-tonnage operations / by B.W. Gandrud and G.T. Bator.
Saved in:
| Online Access: |
Search for the full-text version of this title in HathiTrust |
|---|---|
| Main Author: | |
| Corporate Authors: | , |
| Other Authors: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1943.
|
| Series: | Report of investigations (United States. Bureau of Mines) ;
3718. |
| Subjects: |