Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Bismarck | M/R-D | 121.9 m | 9.60 km | 2,525 km |
Mc Intosh | M/R-D | 121.9 m | 9.60 km | 2,430 km |
South-central North Dakota | M-D | 1067 m (barometer) | 4.80 km | 2,784 km |
Standing Rock | M-D | 91 m above ground | 1.00 km | 13,035 km |