Kennebago-Chain Lakes (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 09/59
Line spacing 0.8 (km)
Altitude 1066.8 (m) by barometer measurement
Total distance 1,835 (km)
References
Counties Franklin - Somerset
Overlapping surveys

Data: Magnetic (M-Dz)