Gerald Quadrangle (MO)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Aero
Date flown ?/57
Line spacing 0.4 (km)
Altitude 152.4 (m) above ground
Total distance 1,609 (km)
References
Counties Franklin - Gasconade
Overlapping surveys

Data: Magnetic (M-Dz)