Freeman Bibliographical Database
| Identifier: | F1657 |
| Date: | 1841 |
| Concise reference: | Darwin, C. R. 1841. On the distribution of erratic boulders and on the contemporaneous unstratified deposits of South America. [Read 5 May] Proceedings of the Geological Society of London Part 2, 3: 425-430. |
| Detailed reference: | 1657. 1841 On the distribution of erratic boulders and on the contemporaneous unstratified deposits of South America. Proceedings of the Geological Society, vol. 3, pp. 425-430. Read 5 May. See also F1661. |