Longview North (OR-WA)

Survey type M-D (magnetic; collected in digital form)
Flown by Aerodat Inc.
Date flown 04/95-05/95
Line spacing 0.8 and 1.6 (km)
Altitude 304.8 (m) above ground
Total distance 13,888 (km)
References
Counties Clatsop - Columbia - Multnomah - Tillamook - Washington - Clark - Cowlitz - Lewis - Pacific - Wahkiakum
Overlapping surveys

Data: Magnetic (M-D)