Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AshlandM/R-D121.92 m 4.83 km3,162 km
BemidjiM/R-D121.92 m 9.66 km2,248 km
BrainerdM/R-D121.92 m 9.66 km2,282 km
DuluthM/R-D121.92 m 9.66 km2,260 km
Eau ClaireM/R-D121.92 m 4.83 km4,225 km
FairmontM/R-D121.92 m 9.66 km2,602 km
FargoM/R-D121.92 m 9.66 km2,342 km
Grand ForksM/R-D121.92 m 9.66 km2,301 km
HancockM/R-D121.92 m 4.83 km443 km
HibbingM/R-D121.92 m 9.66 km2,248 km
Manson (Blanden)M-A304.8 m above ground1.61 km1,770 km
DecorahM/G-D79.248 m above ground0.40 km3,412 km
Northwest IowaM-A304.8 m above ground1.61 km19,199 km
Northeast IowaM-A304.8 m above ground1.61 km12,714 km
International FallsM/R-D121.92 m 9.66 km1,090 km
KenoraM/R-D121.92 m 9.66 km60 km
La CrosseM/R-D121.92 m 9.66 km2,602 km
Mason CityM/R-D121.92 m 9.66 km2,602 km
MilbankM/R-D121.92 m 9.66 km2,366 km
Elk River ARMSM-A152.4 m above ground1.61 km16,093 km
WasecaM-Dz304.8 m above ground1.61 km13,760 km
Minnesota Coop SouthwestM-Dz304.8 m above ground1.61 km16,174 km
PineM-A304.8 m above ground1.61 km692 km
SwiftM-Dz304.8 m above ground1.61 km14,162 km
Effie-Coon LakeM-D91.44 m above ground0.40 km1,979 km
NE North DakotaM-D152.4 m above ground0.40 km29,266 km
New UlmM/R-D121.92 m 4.83 km4,587 km
QueticoM/R-D121.92 m 9.66 km298 km
RoseauM/R-D121.92 m 9.66 km1,889 km
Sioux FallsM/R-D121.92 m 9.66 km2,380 km
St CloudM/R-D121.92 m 4.83 km4,474 km
StillwaterM/R-D121.92 m 9.66 km2,316 km
St PaulM/R-D121.92 m 9.66 km2,348 km
Thief River FallsM/R-D121.92 m 9.66 km2,277 km
Two HarborsM/R-D121.92 m 9.66 km1,365 km
WatertownM/R-D121.92 m 9.66 km2,382 km
Northwest WisconsinM-D91.44 m above ground0.80 km6,317 km
Northern Wisconsin '96M/V-D152.4 m above ground0.80 km10,780 km
West-Central WisconsinM-D304.8 m above ground0.80 km14,460 km
Southwest WisconsinM-D304.8 m above ground0.80 km22,128 km
Wisconsin Tie LinesM-D304.8 m above ground0.80 km2,293 km