Danforth '56 (ME)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 07/56
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 885 (km)
References
Counties Aroostook - Washington
Overlapping surveys

Data: Magnetic (M-Dz)