| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| usda historic aerial imagery | 0.95 | 0.5 | 6504 | 87 | 28 |
| usda | 0.85 | 0.6 | 3684 | 92 | 4 |
| historic | 1.75 | 0.5 | 9013 | 40 | 8 |
| aerial | 1.32 | 1 | 2712 | 63 | 6 |
| imagery | 1.31 | 0.7 | 9907 | 32 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| usda historic aerial imagery | 1.66 | 0.5 | 1653 | 59 |
| usda aerial photos historic | 0.28 | 0.2 | 6180 | 74 |
| usda aerial imagery download | 1.01 | 0.9 | 5908 | 23 |
| usgs historic aerial imagery | 0.65 | 0.4 | 6897 | 15 |
| old usda aerial photos | 1.92 | 0.5 | 6524 | 38 |
| usgs historical aerial imagery | 1.43 | 0.2 | 1677 | 58 |
| us historic aerial imagery | 0.69 | 0.8 | 2577 | 9 |
| usda 1938 aerial photography | 0.87 | 0.9 | 3955 | 79 |
| usgs aerial photos historic | 0.58 | 0.6 | 9923 | 96 |
| historical aerial photos usgs | 1.47 | 0.8 | 5731 | 31 |
| usgs historical aerial photography | 1.68 | 0.4 | 8375 | 82 |
| free historical aerial imagery | 1.88 | 0.4 | 15 | 55 |
| usgs aerial imagery download | 1.8 | 0.5 | 7593 | 86 |
| usgs historic aerial maps | 1.36 | 0.8 | 6991 | 91 |
| historical aerial imagery viewer | 1.03 | 0.8 | 3391 | 58 |
| usda aerial photography field office | 1.62 | 0.5 | 7872 | 15 |
| usgs historical aerial maps | 0.33 | 0.2 | 903 | 35 |
