| Author: | Lamar, J. E. (John Everts), 1897-1979 |
| Subject: | QE, Mines and mineral resources -- Illinois |
| Format: | Text |
| Date issued: | 2021 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Industrial Minerals and Metals of Illinois [electronic resource] / J. E. Lamar |