| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| iowa underground railroad map | 0.11 | 0.1 | 6459 | 62 | 29 |
| iowa | 1.42 | 0.6 | 6725 | 38 | 4 |
| underground | 0.23 | 0.2 | 9031 | 6 | 11 |
| railroad | 0.46 | 0.2 | 4206 | 65 | 8 |
| map | 0.93 | 0.7 | 992 | 46 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| iowa underground railroad map | 1.61 | 0.1 | 8287 | 66 |
| underground railroad in southeast iowa | 1.73 | 0.9 | 2408 | 3 |
| underground railroad des moines iowa | 1.36 | 0.9 | 5458 | 42 |
| railroad map of iowa | 0.69 | 0.2 | 943 | 60 |
| iowa northern railroad map | 0.94 | 0.5 | 1341 | 52 |
| railroads in iowa map | 0.34 | 0.3 | 8047 | 87 |
| iowa interstate railroad map | 1.45 | 0.4 | 5438 | 85 |
| state of iowa railroad maps | 0.61 | 0.9 | 1887 | 11 |
| iowa interstate railroad system map | 0.96 | 0.7 | 3653 | 20 |
| iowa northern railway map | 0.31 | 0.4 | 1339 | 53 |
| historic iowa railroad map | 1.26 | 1 | 8659 | 74 |
| iowa central railroad map | 0.07 | 0.8 | 7138 | 88 |
| iowa underground railroad ride | 1.09 | 0.2 | 568 | 51 |
| iowa dot railroad map | 1.27 | 0.5 | 2487 | 46 |
| historical iowa railroad maps | 1.4 | 0.8 | 532 | 24 |
| iowa railroad map 1880 | 0.94 | 0.6 | 1549 | 45 |
| iowa interstate railroad route | 0.73 | 0.3 | 2250 | 75 |
| iowa pacific railroad map | 0.65 | 0.9 | 8168 | 53 |
| underground railroad map indiana | 0.49 | 0.3 | 6335 | 66 |
| map of abandoned railroads in iowa | 1.95 | 0.7 | 5961 | 43 |
