Freeman Bibliographical Database
| Identifier: | A4964 |
| Date: | 1839 |
| Concise reference: | Lyell, Charles. 1839. On the tubular cavities filled with gravel and sane called 'sand-pipes', in the chalk near Norwich. London and Edinburgh Philosophical Magazine and Journal of Science n.s. (October): 257-266. [Darwin Pamphlet Collection] |