Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Harrison | M/R-D | 121.9 m | 9.60 km | 2,911 km |
Springfield '83 | M-D | 609.6 m (barometer) | 1.60 km | 7,201 km |
South Missouri Ground Mag | M-Dz | -9999 m at ground level | 1.60 km | km |
Northwest Arkansas | M/R-D | 167 m above ground | 0.20 km | 67,614 km |