Two Harbors (MN-WI-MI)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by Aero Service Corporation
Date flown 07/80-10/80
Line spacing 9.6 (km)
Altitude 121.9 (m)
Total distance 1,364 (km)
References
Counties Gogebic - Ontonagon - Cook - Lake - Saint Louis - Ashland - Bayfield
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)