Mason City (IA-MN)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by EG&GĀ GeoMetrics, Inc.
Date flown 10/80-11/80
Line spacing 9.6 (km)
Altitude 121.9 (m)
Total distance 2,602 (km)
References
Counties Cerro Gordo - Chickasaw - Fayette - Floyd - Hancock - Howard - Kossuth - Mitchell - Winnebago - Winneshiek - Worth - Blue Earth - Dodge - Faribault - Fillmore - Freeborn - Mower - Olmsted - Steele - Waseca - Winona
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)