| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| railroads in 1800s in america | 1.38 | 0.8 | 2898 | 62 |
| american railroads 1800s | 1.47 | 0.5 | 3503 | 41 |
| economic impact of railroads in america 1800s | 0.54 | 0.4 | 2603 | 56 |
| railroads in the late 1800s | 0.53 | 0.6 | 8515 | 23 |
| facts about railroads in the 1800s | 1.33 | 0.8 | 9071 | 70 |
| trains in the 1800s in america | 0.07 | 0.7 | 6216 | 25 |
| railroads built in the 1800s | 1.96 | 0.7 | 4158 | 45 |
| railroads in the 1800s maps | 1.68 | 0.1 | 6723 | 65 |
| first railroad in america 1800s | 0.7 | 0.9 | 4550 | 80 |
| railroads in the north 1800s | 0.17 | 0.9 | 5437 | 12 |
| building railroads in the 1800s | 0.86 | 0.7 | 9558 | 58 |
| railroads in america history | 1.17 | 0.5 | 1014 | 2 |
| railroad industry in the 1800s | 0.59 | 0.5 | 5420 | 22 |
| fun facts about railroads in the 1800's | 1.35 | 0.1 | 4943 | 38 |
| early railroads in america | 1.36 | 0.3 | 8875 | 5 |
| railroad construction in the 1800s | 0.51 | 0.9 | 9058 | 57 |
| railroad development in the 1800s | 0.1 | 0.9 | 1162 | 34 |
| railroads in us history | 1.03 | 0.6 | 7770 | 56 |
| how many miles of railroad in 1800 | 0.06 | 0.3 | 1149 | 94 |
| railroads in the early 1900s | 1.29 | 1 | 3714 | 41 |
| railroad map from 1800s | 0.26 | 0.4 | 9956 | 52 |
