Big Snowy Mountains (MT)

Survey type M-D (magnetic; collected in digital form)
Flown by Aero Service Corporation
Date flown 08/78-09/78
Line spacing 1.6 (km)
Altitude 2743 (m) by barometer measurement
Total distance 651 (km)
References
Counties Fergus - Golden Valley - Wheatland
Overlapping surveys

Data: Magnetic (M-D)