Chamberlain (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 09/55
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 3,541 (km)
References
Counties Aroostook - Penobscot - Piscataquis - Somerset
Overlapping surveys

Data: Magnetic (M-Dz)