Katahdin '52 (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 07/52-08/52
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 2,163 (km)
References
Counties Penobscot - Piscataquis
Overlapping surveys

Data: Magnetic (M-Dz)