Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
DickinsonM/R-D121.9 m 4.80 km4,182 km
GlendiveM/R-D121.9 m 9.60 km2,470 km
Miles CityM/R-D121.9 m 4.80 km4,411 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