| Year | Format Size | Scale | Coverage | Flight Company |
| 1941 | 9x9" | 1:28,000 | Windham County | |
| 1944 (Only for Litchfield County) | 15x15" | |||
| 1951 | 24x24" | 1:7,920 | ||
| 1970 | 9x9" | 1:12,000 | All Counties | Keystone Aerial Surveys |
| 1986 | 9x9" | 1:12,000 | ||
| 1990 | 9x9" | 1:12,000 | ||
| 1996 | 9x9" | 1:12,000 | ||
| USGS Updates | 9x9" | 1:12,000 |