| Author: | Crosby, William O. (William Otis), 1850-1925 |
| Subject: | QE, Geology -- Study and teaching |
| Format: | Text |
| Date issued: | 2015 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Common Minerals and Rocks [electronic resource] / William O. Crosby |