Olympic Mountains (WA)

Survey type M-D (magnetic; collected in digital form)
Flown by Diversified Technical Services, Inc.
Date flown 04/83
Line spacing 4.8 (km)
Altitude 2134 (m) by barometer measurement
Total distance 1,021 (km)
References
Counties Clallam - Grays Harbor - Jefferson - Mason
Overlapping surveys

Data: Magnetic (M-D)