Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BurlingtonM/R-D121.92 m 9.66 km2,742 km
CentervilleM/R-D121.92 m 9.66 km2,697 km
DavenportM/R-D121.92 m 9.66 km2,667 km
Des MoinesM/R-D121.92 m 9.66 km2,667 km
DubuqueM/R-D121.92 m 9.66 km2,634 km
Manchester regionM-D30 m above ground0.24 km6,985 km
FairmontM/R-D121.92 m 9.66 km2,602 km
FremontM/R-D121.92 m 4.83 km4,546 km
Ft DodgeM/R-D121.92 m 9.66 km2,634 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
East-central IowaM-A304.8 m above ground1.61 km12,070 km
Southeast IowaM-A304.8 m above ground1.61 km14,886 km
Southern IowaM-A609.6 m (barometer)1.61 km8,546 km
Northwest IllinoisM-D548.64 m (barometer)4.83 km2,342 km
SW Wisconsin-NW IllinoisM-D609.6 m (barometer)0.80 km7,564 km
La CrosseM/R-D121.92 m 9.66 km2,602 km
Mason CityM/R-D121.92 m 9.66 km2,602 km
WasecaM-Dz304.8 m above ground1.61 km13,760 km
Minnesota Coop SouthwestM-Dz304.8 m above ground1.61 km16,174 km
North Missouri Ground MagM-DzGround m at ground level1.61 km km
Nebraska South '63M-A304.8 m above ground3.22 km5,544 km
Nebraska CityM/R-D121.92 m 9.66 km2,697 km
OmahaM/R-D121.92 m 9.66 km2,667 km
Cedar RapidsM/EM-D45 m above ground200.00 km339 km
Sioux CityM/R-D121.92 m 8.05 km2,741 km
Sioux FallsM/R-D121.92 m 9.66 km2,380 km
WaterlooM/R-D121.92 m 9.66 km2,634 km
Wis.-Ill. Lead-Zinc '48M-Dz548.64 m (barometer)0.40 km4,442 km
Southwest WisconsinM-D304.8 m above ground0.80 km22,128 km
Wisconsin Tie LinesM-D304.8 m above ground0.80 km2,293 km