Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GlendiveM/R-D121.92 m 9.66 km2,470 km
Northeast Mt.-Western N.D.M-D&Dz1219.2 m (barometer)4.83 km11,193 km
Watford CityM/R-D121.92 m 4.83 km2,923 km
WillistonM/R-D121.92 m 9.66 km2,363 km