Mt. Hood '77 (OR)

Survey type M-D (magnetic; collected in digital form)
Flown by Aerial Surveys
Date flown 04/77-06/77
Line spacing 1.6 (km)
Altitude 2134 (m) by barometer measurement
Total distance 2,011 (km)
References
Counties Clackamas - Hood River - Linn - Marion - Multnomah - Wasco
Overlapping surveys

Data: Magnetic (M-D)