| Typicality: | 0.312 |
| Saliency: | 0.147 |
| in the development of the north | 3 | location |
| from prehistoric times | 2 | temporal |
| mining → played → key role | 3 |
| mining → played → important part | 3 |
| negative | neutral | positive |
| 0.051 | 0.703 | 0.246 |
| Raw frequency | 6 |
| Normalized frequency | 0.147 |
| Modifier score | 0.500 |
| Perplexity | 39.339 |