Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Green BayM/R-D121.9 m 4.80 km4,224 km
MadisonM/R-D121.9 m 9.60 km2,592 km
Central Wisconsin '97M-D304.8 m above ground0.80 km7,998 km
South-central WisconsinM-D304.8 m above ground0.80 km20,921 km
Northeast WisconsinM-D304.8 m above ground0.80 km19,312 km
Wisconsin Tie LinesM-D304.8 m above ground0.80 km2,293 km