| between 1929 | 10 | temporal |
| by excavating flat ground | 8 | manner |
| between 1889 | 8 | temporal |
| reservoir → be → built | 192 |
| reservoir → be → constructed | 71 |
| reservoir → be → erected | 3 |
| negative | neutral | positive |
| 0.170 | 0.741 | 0.089 |
| Raw frequency | 266 |
| Normalized frequency | 0.998 |
| Modifier score | 0.764 |
| Perplexity | 376.556 |