WA-ID-MT - E. Central (MT)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Scintrex
Date flown 07/72-09/72
Line spacing 3.22 (km)
Altitude 3352.8 (m) by barometer measurement
Total distance 3,090 (km)
References
Counties Flathead - Glacier
Overlapping surveys

Data: Magnetic (M-Dz)