Central Washington (WA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Scintrex 
Date flown 05/72-07/72
Line spacing 1.6 (km)
Altitude 2896 (m) by barometer measurement
Total distance 1,380 (km)
References
Counties Chelan - King - Kittitas
Overlapping surveys

Data: Magnetic (M-Dz)