Southern Alaska Range - N. (AK)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by LKB
Date flown 08/68-10/68
Line spacing 1.61 (km)
Altitude 2286 (m) by barometer measurement
Total distance 515 (km)
References
Counties Bethel - Yukon-Koyukuk
Overlapping surveys

Data: Magnetic (M-Dz)