Bridgeport (CT-NY)

Survey type M-Dz (magnetic; 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 740 (km)
References
Counties Fairfield - New Haven - Westchester
Overlapping surveys

Data: Magnetic (M-Dz)