| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Charlottesville | M/R-D | 121.9 m | 9.60 km | 2,756 km |
| Shenandoah Valley Dikes | M-Dz | 640 m (barometer) | 0.80 km | 1,826 km |
| Western Virginia | M-Dz | 152.4 m above ground | 0.80 km | 12,231 km |
| Central West Virginia | M-D | 304.8 m above ground | 3.20 km | 7,081 km |