Northeastern surveys (MN)

Survey type M-D (magnetic; collected in digital form)
Flown by EG&GĀ GeoMetrics, Inc.
Date flown ?/79-?/81
Line spacing 0.4 and 2 (km)
Altitude 150 (m) above ground
Total distance 100,000 (km)
Counties Aitkin - Carlton - Chisago - Cook - Isanti - Itasca - Kanabec - Koochiching - Lake - Pine - Saint Louis - Burnett - Douglas
Overlapping surveys

Data: Magnetic (M-D)

Download magnetics.htm