| Author: | Coblentz, Stanton A. (Stanton Arthur), 1896-1982 |
| Subject: | PS, Science fiction, Earthquakes -- Fiction, Nevada -- Fiction, Imaginary places -- Fiction, Earth (Planet) -- Internal structure -- Fiction, Imaginary societies -- Fiction |
| Format: | Later edition published with title: Hidden World., Electronic text |
| Date issued: | 2021 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | In Caverns Below [electronic resource] / Stanton A. Coblentz |