Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GlendiveM/R-D121.9 m 9.60 km2,470 km
Northeast Mt.-Western N.D.M-D&Dz1219 m (barometer)4.80 km11,192 km
Watford CityM/R-D121.9 m 4.80 km2,922 km
WillistonM/R-D121.9 m 9.60 km2,362 km
Wolf PointM/R-D121.9 m 9.60 km2,475 km