Southeast Oregon (OR)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Scintrex 
Date flown 05/72-06/72
Line spacing 3.2 (km)
Altitude 2743 (m) by barometer measurement
Total distance 23,549 (km)
References
Counties Modoc - Siskiyou - Owyhee - Elko - Humboldt - Washoe - Douglas - Harney - Klamath - Lake - Malheur
Overlapping surveys

Data: Magnetic (M-Dz)