Thief River Falls (MN-ND)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by EG&GĀ GeoMetrics, Inc.
Date flown 09/79
Line spacing 9.6 (km)
Altitude 121.9 (m)
Total distance 2,277 (km)
References
Counties Kittson - Marshall - Pennington - Polk - Roseau - Cavalier - Grand Forks - Nelson - Pembina - Walsh
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)