Crescent City '77 (CA)

Survey type M-D (magnetic; collected in digital form)
Flown by Aerial Surveys
Date flown 03/77
Line spacing 0.8 (km)
Altitude 1158 (m) by barometer measurement
Total distance 828 (km)
References
Counties Del Norte - Curry - Josephine
Overlapping surveys

Data: Magnetic (M-D)