Scientific Mysteries: Mystery of Earth's Rift Valleys
| First published | 1943 |
|---|---|
| Type | Essay |
| Series | Scientific Mysteries |
Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1943 | Amazing Stories Quarterly (Reissue), Fall 1943 | Ziff-Davis | MAGAZINE | 222 |44 |
| 1943 | Amazing Stories Quarterly (Reissue), Summer 1943 | Ziff-Davis | MAGAZINE | 222 |41 |
| January 1943 | Amazing Stories, January 1943 | Ziff-Davis Publishing Company | MAGAZINE | 222 |