Central Washington, Block E (WA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Aero Service Corporation
Date flown ?/77
Line spacing 0.8 (km)
Altitude 304.8 to 457.2 (m) above ground
Total distance 11,104 (km)
References
Counties Adams - Chelan - Douglas - Grant - Kittitas - Lincoln - Okanogan
Overlapping surveys

Data: Magnetic (M-Dz)