Pecos '77 North (NM)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 07/77
Line spacing 1.6 (km)
Altitude 2286 to 3658 (m) by barometer measurement
Total distance 836 (km)
References
Counties Guadalupe - Mora - San Miguel - Santa Fe - Taos - Torrance
Overlapping surveys

Data: Magnetic (M-Dz)