Three Sisters (OR)

Survey type M-D (magnetic; collected in digital form)
Flown by Oregon State University
Date flown 05/77-06/77
Line spacing 1.6 (km)
Altitude 3353 (m) by barometer measurement
Total distance 804 (km)
References
Counties Deschutes - Lane - Linn
Overlapping surveys

Data: Magnetic (M-D)