Every Delaware aerial imagery year, 1926 to 2024
The State of Delaware publishes 15 aerial imagery sets through FirstMap, almost a century of the state seen from above. Here is what each one is, and how sharp it is.
| Year | Type | Resolution | Flown for / by |
|---|---|---|---|
| 1926 | Black & white | about 0.6 m (≈ 23 in) per pixel | — |
| 1937 | Black & white | 1 m (≈ 3.3 ft) per pixel | USDA Agricultural Adjustment Administration |
| 1954 | Black & white | 1 m (≈ 3.3 ft) per pixel | USDA Agricultural and Commodity Stabilization Service |
| 1961 | Black & white | 2 m (≈ 6.6 ft) per pixel | USDA Agricultural Stabilization and Conservation Service |
| 1968 | Black & white | 2 m (≈ 6.6 ft) per pixel | USDA Agricultural Stabilization and Conservation Service |
| 1992 | Color-infrared | 1 m (≈ 3.3 ft) per pixel | Delaware Department of Transportation (DelDOT), flown by EarthData / PhotoScience at 1:12,000 |
| 1997 | Black & white | 1 m (≈ 3.3 ft) per pixel | Delaware Department of Transportation (DelDOT) and EarthData |
| 2002 | Color-infrared | 0.25 m (≈ 10 in) per pixel | EarthData International of Maryland |
| 2007 | Natural color | 0.25 m (≈ 10 in) per pixel | Sanborn Mapping Company |
| 2012 | Natural color | 0.3 m (≈ 1 ft) per pixel | Digital Aerial Solutions, LLC |
| 2017 | Natural color | 0.25 m (≈ 0.8 ft) per pixel | Surdex Corp |
| 2021 | Natural color | 0.15 m (≈ 6 in) per pixel | State of Delaware and Hexagon |
| 2022 | Natural color | 0.152 m (≈ 6 in) per pixel | State of Delaware and Hexagon |
| 2024 | Natural color | 0.152 m (≈ 6 in) per pixel | State of Delaware and Sanborn Map Company |
| Hurricane Sandy (2012) | Natural color | 0.10 m (≈ 4 in) per pixel | Developed for NOAA |
Two extra-sharp state-park sets also exist: 2017 Parks (about 7.6 cm per pixel) and 2022 Parks (about 7.5 cm per pixel). Both are in the viewer.