Northwest Maine (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Date flown ?/66
Line spacing 0.8 (km)
Altitude 304.8 (m) above ground
Total distance 13,036 (km)
References
Counties Aroostook - Piscataquis - Somerset
Overlapping surveys

Data: Magnetic (M-Dz)