| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| us railroad map 1880 | 1.12 | 0.1 | 6031 | 3 | 20 |
| us | 0.33 | 0.5 | 6510 | 93 | 2 |
| railroad | 0.19 | 0.6 | 7390 | 81 | 8 |
| map | 0.08 | 0.8 | 6103 | 17 | 3 |
| 1880 | 1.48 | 0.1 | 9437 | 17 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| us railroad map 1880 | 1.47 | 1 | 7255 | 14 |
| us railroad map 1860 | 1.4 | 0.7 | 9660 | 79 |
| us railroad map 1870 | 0.04 | 0.8 | 2939 | 67 |
| us railroad map 1883 | 0.16 | 0.5 | 785 | 9 |
| us railroad map 1890 | 1.61 | 0.8 | 5023 | 98 |
| us railroad map 1885 | 1.01 | 0.5 | 9332 | 49 |
| us railroad map 1850 | 1.84 | 0.6 | 7273 | 76 |
| us railroad map 1840 | 0.79 | 0.8 | 7047 | 38 |
| us railroad map 1865 | 1.56 | 0.3 | 7559 | 21 |
| us railroad map 1861 | 0.37 | 0.2 | 7934 | 57 |
