| Author: | Hoover, Herbert, 1874-1964 |
| Subject: | TN, Mines and mineral resources, Mineral industries -- Finance, Mining engineering |
| Format: | Text |
| Date issued: | 2008 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Principles of Mining : Valuation, Organization and Administration [electronic resource] / Herbert Hoover |