Great Falls (MT)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by Texas Instruments
Date flown 08/78-09/78
Line spacing 4.8 (km)
Altitude 121.9 (m)
Total distance 4,330 (km)
References
Counties Cascade - Chouteau - Fergus - Judith Basin - Lewis and Clark - Meagher - Pondera - Teton
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)