New Jersey Highlands '63 (NJ-PA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 08/63
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 1,464 (km)
References
Counties Hunterdon - Mercer - Warren - Bucks - Northampton
Overlapping surveys

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