| Author: | Darwin, Charles, 1809-1882 |
| Subject: | QE, Paleontology, Beagle Expedition (1831-1836), Geology -- South America, Mollusks, Fossil -- South America |
| Format: | Text |
| Date issued: | 2003 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Geological Observations on South America [electronic resource] / Charles Darwin |