New Jersey Highlands '50 (NJ-NY)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 10/50-11/50
Line spacing 0.4 (km)
Altitude 152.4 (m) above ground
Total distance 5,632 (km)
References
Counties Essex - Hunterdon - Middlesex - Morris - Passaic - Somerset - Sussex - Union - Orange
Overlapping surveys

Data: Magnetic (M-Dz)