National Geologic Map Database
General Information
- Title: Total intensity aeromagnetic map of De Kalb County, Indiana
- Author(s): Dempsey, W.J., Henderson, J.R., and Duffner, R.T.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Geophysical Investigations Map GP-23
- Publication Date: 1950
- Map Scale: 1:63,360
- Cross Section: None
- North Latitude: 41° 33' 0" N (41.5500)
- South Latitude: 41° 16' 30" N (41.2750)
- East Longitude: 84° 40' 0" W (-84.6667)
- West Longitude: 85° 14' 0" W (-85.2333)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.