 |
|
Methods, Costs, and Safety in Stripping and Mining Coal, Copper Ore, Iron Ore, Bauxite, and Pebble Phosphate
| Year: | 1929 |
|---|---|
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 298 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12472/ |
Search developed and maintained by the University of Washington Libraries
Copyright 2010