Quabin (MA)

Survey type M/R-Dz (magnetic; radiometric; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 11/66
Line spacing 1.6 (km)
Altitude 152.4 (m) above ground
Total distance 1,351 (km)
References
Counties Franklin - Hampden - Hampshire - Middlesex - Worcester
Overlapping surveys

Data: Magnetic, radiometric (M/R-Dz)