Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Central North Carolina | M-Dz | 152.4 m above ground | 0.80 km | 8,272 km |
Northeast North Carolina | M-D | 152.4 m above ground | 1.60 km | 8,288 km |
South-central N. C. West | M-D | 152.4 m above ground | 1.60 km | 4,184 km |