1. Mineral Resources
  2. Online Spatial Data
  3. Magnetic anomaly
  4. Aeromagnetic surveys
  5. Illinois

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Argonne Joliet ARMSM-Dz152.4 m above ground1.60 km19,312 km
RockfordM/R-D121.9 m 9.60 km2,616 km
South-central WisconsinM-D304.8 m above ground0.80 km20,921 km
Wisconsin Tie LinesM-D304.8 m above ground0.80 km2,293 km