Central Maine (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Sewall
Date flown 05/59-07/59
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 2,527 (km)
References
Counties Aroostook - Penobscot - Piscataquis
Overlapping surveys

Data: Magnetic (M-Dz)