| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| old railroad maps pennsylvania | 0.77 | 0.5 | 8397 | 35 | 30 |
| old | 0.66 | 0.2 | 5752 | 99 | 3 |
| railroad | 1.22 | 0.1 | 6358 | 47 | 8 |
| maps | 1.27 | 0.2 | 3970 | 8 | 4 |
| pennsylvania | 0.98 | 0.2 | 9370 | 24 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| old railroad maps pennsylvania | 1.06 | 0.2 | 1517 | 65 |
| pennsylvania railroad maps in pennsylvania | 1.46 | 0.6 | 2532 | 16 |
| pennsylvania railroad history map | 2 | 0.5 | 7633 | 24 |
| railroad maps in pa | 1 | 0.6 | 5429 | 9 |
| railroad map of pennsylvania | 1.36 | 0.5 | 3545 | 53 |
| pennsylvania railroad map 1950 | 0.84 | 0.9 | 4007 | 69 |
| railroads in pennsylvania map | 0.5 | 0.1 | 8362 | 99 |
| pennsylvania railroad track maps | 1.9 | 0.5 | 1551 | 45 |
| old railroads in pa | 1.24 | 1 | 8136 | 56 |
| pennsylvania railroad route map | 1.13 | 0.4 | 7279 | 10 |
| pennsylvania railroad system map | 0.9 | 0.1 | 644 | 62 |
| old maps of pennsylvania | 1.32 | 0.1 | 4737 | 56 |
| map of pennsylvania railroad lines | 0.52 | 0.7 | 4524 | 25 |
| pennsylvania state railroad map | 0.86 | 0.8 | 8983 | 27 |
| map of railroads in pa | 0.92 | 0.1 | 4575 | 12 |
| pennsylvania railroad map ohio | 0.84 | 0.9 | 1463 | 4 |
| pennsylvania railroad map 1910 | 0.25 | 0.8 | 9473 | 95 |
| railroad track map pa | 1.31 | 0.2 | 736 | 58 |
| historic railroads in pennsylvania | 1.81 | 0.8 | 6126 | 24 |
