Sherbrooke-Lewiston '81 W. (VT-NH)

Survey type M-D (magnetic; collected in digital form)
Flown by U.S. Geological Survey
Date flown 09/81
Line spacing 0.8 (km)
Altitude 91 (m) above ground
Total distance 260 (km)
References
Counties Coos - Grafton - Caledonia - Essex
Overlapping surveys

Data: Magnetic (M-D)