Aroostook '51 (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown ?/51
Line spacing 0.4 (km)
Altitude 152.4 (m) above ground
Total distance 4,780 (km)
References
Counties Aroostook - Penobscot
Overlapping surveys

Data: Magnetic (M-Dz)