Methods, costs, and safety in stripping and mining coal, copper ore, iron ore, bauxite, and pebble phosphate
Department of Commerce, Bureau of Mines. (By F. E. Cash and M. W. von Bernewitz)
| Year of publication: |
1929
|
|---|---|
| Authors: | Cash, Frank Errette |
| Other Persons: | Bernewitz, Max Wilhelm von (contributor) |
| Institutions: | USA / Bureau of Mines (contributor) |
| Publisher: |
Washington : U.S. Gov. Print. Off. |
| Subject: | Eisenerz | Iron ore | Bergbau | Mining | Bauxit | Bauxite | Kohlenbergbau | Coal mining | Phosphor | Phosphorus | Eisenerzbergbau | Iron-ore mining | Kupferbergbau | Copper mining | Kohle | Coal | Kupfer | Copper | Kupferindustrie | Copper industry |
