| Author: | Keefer, William R., 1924- |
| Subject: | QE, Geology -- Yellowstone National Park |
| Format: | Text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Geologic Story of Yellowstone National Park [electronic resource] / William R. Keefer |