| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| railroads in the 1900s | 1.6 | 0.2 | 3269 | 20 | 22 |
| railroads | 0.63 | 0.6 | 332 | 67 | 9 |
| in | 0.95 | 0.1 | 6534 | 15 | 2 |
| the | 0.88 | 0.1 | 7506 | 1 | 3 |
| 1900s | 0.68 | 0.2 | 1015 | 45 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| railroads in the 1900s | 0.22 | 0.1 | 6993 | 32 |
| railroads in the 1800s | 0.97 | 1 | 7401 | 69 |
| railroads in the 1800s maps | 0.72 | 0.6 | 473 | 82 |
| railroads in the 1800s facts | 1.58 | 1 | 5471 | 60 |
| railroads in the 1920s | 1.52 | 0.5 | 6566 | 96 |
| who owned the railroads in the 1900s | 1.9 | 0.4 | 4233 | 41 |
| railroads in the early 1900s | 1.46 | 0.6 | 3205 | 38 |
| famous railroads 1900s | 0.56 | 0.4 | 3124 | 14 |
| railroad strikes in the 1900s | 0.73 | 0.9 | 6301 | 37 |
| railroad workers in the 1900s | 0.61 | 0.7 | 8465 | 15 |
| what were railroads used for in the 1900s | 1.88 | 1 | 7242 | 35 |
