| Typicality: | 0.250 |
| Saliency: | 0.000 |
| to the willamette valley | 3 | location |
| in 1855 | 3 | temporal |
| bullet → start with → a topographical survey mission | 3 |
| negative | neutral | positive |
| 0.240 | 0.707 | 0.053 |
| Raw frequency | 3 |
| Normalized frequency | 0.000 |
| Modifier score | 0.500 |
| Perplexity | 431.860 |