| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Glens Falls | M/R-D | 121.9 m | 10.00 km | 796 km |
| Southwest New Hampshire | M-Dz | 670 m (barometer) | 0.80 km | 7,422 km |
| Central New Hampshire '68 | M-Dz | 1524 m (barometer) | 0.80 km | 1,561 km |
| Portland | M/R-D | 121.9 m | 8.00 km | 989 km |
| Portland Detail | M/R-D | 121.9 m above ground | 2.00 km | 643 km |
| Glens Falls "B" '83 | M/R/V-D | 91 m above ground | 0.80 km | 6,775 km |
| Glens Falls "B" '84 | M-D | 91 m above ground | 0.80 km | 4,811 km |