From Heinrich Simon 10 December 1881
Summary
Remarks on the sinking of piles of cannonballs in old forts; presumably a consequence of earthworm activity.
| Author: | Gustav Heinrich Victor Amandus (Heinrich) (Henry) Simon |
| Addressee: | Charles Robert Darwin |
| Date: | 10 Dec 1881 |
| Classmark: | DAR 177: 165 |
| Letter no: | DCP-LETT-13546 |
Document type
| letter | (1) |
Addressee
| Darwin, C. R. | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Simon, Heinrich Henry | (1) |
Date
| 1881 | (1) |
