| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ia dnr historic aerial photos | 1.65 | 0.4 | 1661 | 31 |
| iowa dnr aerial photos | 0.34 | 0.7 | 7385 | 27 |
| iowa historic aerial photos | 0.35 | 0.2 | 391 | 100 |
| dnr historic aerial photos | 1.44 | 0.7 | 5254 | 60 |
| iowa historical aerial photos | 0.97 | 0.7 | 7913 | 42 |
| iowa dnr vintage aerial | 0.53 | 0.4 | 7100 | 21 |
| iowa dnr aerial maps | 1.81 | 0.5 | 596 | 39 |
| iowa historical aerial imagery | 1.29 | 0.1 | 7057 | 76 |
| old aerial photos iowa | 1.94 | 0.1 | 142 | 94 |
| vintage aerial photos of iowa | 1.16 | 0.6 | 6928 | 12 |
| indiana historic aerial photos | 1.7 | 0.1 | 8349 | 64 |
| historical aerial photos indiana | 1.18 | 1 | 9659 | 84 |
| iowa state aerial photos | 0.85 | 1 | 2251 | 41 |
| iowa dnr historical maps | 1.94 | 0.2 | 357 | 36 |
| old aerial maps of iowa | 0.29 | 0.5 | 6416 | 5 |
