S.W. Washington-NW Oregon (WA-OR)

Survey type M-D (magnetic; collected in digital form)
Flown by Geometrics
Date flown 03/76-05/76
Line spacing 3.2 (km)
Altitude 914.4 (m) by barometer measurement
Total distance 2,245 (km)
References
Counties Clatsop - Pacific - Wahkiakum
Overlapping surveys

Data: Magnetic (M-D)