| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Charlottesville | M/R-D | 121.9 m | 9.60 km | 2,756 km |
| Piedmont Areas | M-Dz | 152.4 m above ground | 0.80 km | 10,782 km |
| Western Virginia | M-Dz | 152.4 m above ground | 0.80 km | 12,231 km |
| Culpeper Basin | M/R-D | 152.4 m above ground | 1.20 km | 2,092 km |