Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Hot Springs | M/R-D | 121.9 m | 4.80 km | 4,710 km |
Martin | M/R-D | 121.9 m | 9.60 km | 2,433 km |
Pierre | M/R-D | 121.9 m | 9.60 km | 2,565 km |
Rapid City | M/R-D | 121.9 m | 4.80 km | 5,009 km |
S. South Dakota | M-Dz | 1311 m (barometer) | 1.60 km | 28,689 km |