Unionville (NV)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 03/67
Line spacing 0.8 (km)
Altitude 2743 (m) by barometer measurement
Total distance 1,899 (km)
References
Counties Churchill - Pershing
Overlapping surveys

Data: Magnetic (M-Dz)