N.E. Idaho-W. Montana (MT-ID)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by LKB
Date flown 08/68
Line spacing 1.61 (km)
Altitude 2133.6 (m) by barometer measurement
Total distance 14,484 (km)
References
Counties Benewah - Bonner - Boundary - Kootenai - Shoshone - Flathead - Lake - Lincoln - Mineral - Missoula - Sanders
Overlapping surveys

Data: Magnetic (M-Dz)