Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AshlandM/R-D121.9 m 4.80 km3,162 km
DuluthM/R-D121.9 m 9.60 km2,259 km
Rice LakeM/R-D121.9 m 4.80 km4,168 km
StillwaterM/R-D121.9 m 9.60 km2,315 km
Northwest WisconsinM-D91 m above ground0.80 km6,316 km
Northern Wisconsin '96M/V-D152.4 m above ground0.80 km10,780 km
West Wisconsin '96M-D152.4 m above ground0.80 km6,759 km
North-central WisconsinM-D152 m above ground0.80 km km