Naval Pet. Reserve No. 4 (AK)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS,USN
Date flown 07/45-08/46
Line spacing 3.22 and 2.49 (km)
Altitude 30.48 to 1524 (m) above ground
Total distance 20,278 (km)
References
Counties North Slope
Overlapping surveys

Data: Magnetic (M-Dz)