Massachusetts Coop '68 (MA-RI)

Survey type M-D&Dz (magnetic; collected in digital form; digitized from contour maps)
Flown by USGS
Date flown 07/68
Line spacing 0.8 (km)
Altitude 121.92 (m) above ground
Total distance 8,703 (km)
References
Counties Barnstable - Bristol - Dukes - Norfolk - Plymouth - Worcester - Bristol - Kent - Newport - Providence - Washington
Overlapping surveys

Data: Magnetic (M-D&Dz)