WA-ID-MT - East (MT)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Scintrex 
Date flown 07/72-09/72
Line spacing 3.2 (km)
Altitude 2134 (m) by barometer measurement
Total distance 1,496 (km)
References
Counties Glacier - Toole
Overlapping surveys

Data: Magnetic (M-Dz)