| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| united states railroads 1880 | 1.53 | 0.8 | 5068 | 47 | 28 |
| united | 1.29 | 0.5 | 8593 | 73 | 6 |
| states | 0.58 | 0.3 | 6655 | 8 | 6 |
| railroads | 1.54 | 0.7 | 244 | 73 | 9 |
| 1880 | 1.07 | 0.4 | 8143 | 99 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| united states railroads 1880 | 0.42 | 0.5 | 5700 | 1 |
| us railroad map 1880 | 1.07 | 0.9 | 3421 | 37 |
| railroad routes in the 1880s | 1.38 | 0.4 | 5882 | 14 |
| railroads in the us 1800s | 0.18 | 1 | 1045 | 96 |
| history of railroads in the united states | 1.84 | 0.8 | 4401 | 50 |
| railroads in 1800s in america | 1.2 | 0.7 | 7794 | 55 |
| united states railroad history | 0.72 | 0.9 | 6624 | 45 |
| railroads in us history | 1.12 | 1 | 7831 | 26 |
| railroads in the early 1800s | 0.71 | 0.4 | 2892 | 19 |
| railroads in the late 1800s | 1.05 | 0.1 | 9082 | 50 |
| railroads in america history | 0.85 | 0.8 | 6603 | 16 |
| us railroads in 1860 | 1.45 | 0.2 | 3986 | 7 |
| history of american railroads | 1.1 | 0.4 | 1864 | 79 |
| history of the railroad in usa | 1.09 | 0.2 | 2153 | 63 |
| the american railroad history | 1.79 | 0.7 | 1349 | 27 |
| us railroad map 1890 | 1.57 | 0.7 | 7470 | 52 |
