| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Bluefield | M/R-D | 121.9 m | 9.60 km | 2,784 km |
| Roanoke | M/R-D | 121.9 m | 9.60 km | 2,784 km |
| Western Virginia | M-Dz | 152.4 m above ground | 0.80 km | 12,231 km |
| Southern West Virginia | M-Dz | 304.8 m above ground | 3.20 km | 6,804 km |