| Coho Spawning Ground Surveys Below Bonneville Dam, 2009. | |||||||
| Survey Area | Date | Lives | Dead* | Redds | |||
| Ives/Pierce Island Complex | 2-Oct | 2 | 0 | 0 | |||
| 9-Oct | 0 | 0 | 0 | ||||
| 16-Oct | 0 | 0 | 0 | ||||
| 23-Oct | 3 | 1 | 0 | ||||
| 29-Oct | 0 | 2 | 0 | ||||
| 3-Nov | 10 | 2 | 2 | ||||
| 10-Nov | 12 | 7 | 3 | ||||
| 12-Nov | 8 | 11 | NC | ||||
| 17-Nov | 3 | 8 | NC | ||||
| 24-Nov | 0 | 3 | NC | ||||
| 1-Dec | 0 | 2 | NC | ||||
| 9-Dec | 0 | 0 | NC | ||||
| 15-Dec | 1 | 0 | NC | ||||
| 16-Dec | 0 | 0 | NC | ||||
| 17-Dec | 0 | 0 | NC | ||||
| 22-Dec | 1 | 0 | NC | ||||
| *Dead are newly sampled fish only | |||||||