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  5. Montana

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GlasgowM/R-D121.9 m 9.60 km2,373 km
Northeast Mt.-Western N.D.M-D&Dz1219 m (barometer)4.80 km11,192 km
Wolf PointM/R-D121.9 m 9.60 km2,475 km