National Geologic Map Database
General Information
- Title: Map of part of Iron County, Michigan, showing part of area of aeromagnetic survey and magnetic trend lines
- Author(s): Barrett, L.P., Pardee, F.G., Osgood, W., and Hawkes, H.E.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Geophysical Investigations Preliminary Map GP-3 [pl. 1]
- Publication Date: 1946
- Map Scale: 1:144,000
- Cross Section: None
- North Latitude: 46° 23' 30" N (46.3917)
- South Latitude: 45° 59' 0" N (45.9833)
- East Longitude: 88° 27' 0" W (-88.4500)
- West Longitude: 88° 50' 0" W (-88.8333)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.