Connecticut Coop '63 (CT-RI)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 06/63
Line spacing 1.61 (km)
Altitude 152.4 (m) above ground
Total distance 1,159 (km)
References
Counties New London - Windham - Suffolk - Kent - Providence - Washington
Overlapping surveys

Data: Magnetic (M-Dz)