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  5. Minnesota

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
FairmontM/R-D121.9 m 9.60 km2,602 km
Northwest IowaM-A304.8 m above ground1.60 km19,199 km
Mason CityM/R-D121.9 m 9.60 km2,602 km
WasecaM-Dz304.8 m above ground1.60 km13,759 km
Minnesota Coop SouthwestM-Dz304.8 m above ground1.60 km16,173 km
Southeastern surveys part 1M-D200 m above ground0.50 km km
Southeastern surveys part 3M-D200 m above ground1.00 km km