| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| iowa heritage railroad depot collection | 0.18 | 0.5 | 3476 | 100 | 39 |
| iowa | 0.91 | 1 | 393 | 1 | 4 |
| heritage | 1.49 | 0.2 | 6735 | 50 | 8 |
| railroad | 1.96 | 0.4 | 1359 | 47 | 8 |
| depot | 1.31 | 0.2 | 4948 | 58 | 5 |
| collection | 0.13 | 0.6 | 9604 | 5 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| iowa heritage railroad depot collection | 0.63 | 0.1 | 8596 | 76 |
| historic iowa railroad map | 1.54 | 0.6 | 4386 | 61 |
| historical iowa railroad maps | 0.36 | 0.4 | 7156 | 52 |
| iowa railroad historical society | 0.13 | 0.1 | 1408 | 57 |
| iowa rock island railroad depot | 1.42 | 0.8 | 729 | 32 |
| railroad museum in iowa | 0.7 | 0.7 | 9260 | 75 |
| iowa heritage digital collections | 1.9 | 1 | 1689 | 29 |
| old railroads in iowa | 1.84 | 0.4 | 5494 | 15 |
| history of railroads in iowa | 1.18 | 0.4 | 8046 | 78 |
| iowa interstate railroad ho layout | 1.39 | 0.7 | 9122 | 55 |
| state of iowa railroad maps | 0.4 | 0.6 | 3096 | 89 |
| iowa traction railroad locomotives | 0.11 | 0.6 | 4675 | 29 |
| oregon heritage rail museum | 1.79 | 0.6 | 6176 | 25 |
| railroad maps of iowa | 1.72 | 0.1 | 6395 | 88 |
| iowa interstate railroad des moines | 1.92 | 0.4 | 4482 | 83 |
| iowa railroad map 1880 | 0.43 | 0.4 | 2234 | 79 |
| oregon heritage railroad museum | 0.53 | 0.8 | 9259 | 58 |
| railroads in iowa map | 0.37 | 0.5 | 4731 | 23 |
| oregon rail heritage center | 0.15 | 0.4 | 8063 | 49 |
| list of railroads in iowa | 0.79 | 0.8 | 7894 | 46 |
| iowa traction railway locomotives | 0.32 | 0.9 | 5781 | 53 |
