| originally | 10 | manner |
| between 1826 | 6 | temporal |
| as far as rock island | 6 | location |
| railroad → be → built | 316 |
| railroad → be → constructed | 73 |
| railroad → be → made | 10 |
| railroad → be → laid | 7 |
| negative | neutral | positive |
| 0.136 | 0.732 | 0.132 |
| Raw frequency | 406 |
| Normalized frequency | 1.000 |
| Modifier score | 0.354 |
| Perplexity | 228.134 |