Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Broken BowM/R-D121.9 m 8.00 km2,782 km
FremontM/R-D121.9 m 4.80 km4,546 km
O'neillM/R-D121.9 m 8.00 km2,740 km
Sioux CityM/R-D121.9 m 8.00 km2,740 km