Freeman Bibliographical Database
| Identifier: | F1696 |
| Date: | 1857.07.25 |
| Concise reference: | Darwin, C. R. 1857. The subject of deep wells. Gardeners' Chronicle and Agricultural Gazette no. 30 (25 July): 518. |
| Detailed reference: | 1696. 1857 The subject of deep wells. Gardeners' Chronicle and Agricultural Gazette, no. 30, p. 518. July 26. |