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
Southeast IowaM-A304.8 m above ground1.61 km14,886 km
Southern IowaM-A609.6 m (barometer)1.61 km8,546 km