N.T.S. Oak Spring Butte (NV)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 10/60
Line spacing 0.8 (km)
Altitude 2438 (m) by barometer measurement
Total distance 860 (km)
References
Counties Clark - Lincoln - Nye
Overlapping surveys

Data: Magnetic (M-Dz)