National Geologic Map Database
Product Description Page
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Title: Total intensity aeromagnetic map of Porter County, Indiana
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Author(s): Dempsey, W.J., Henderson, J.R., and Duffner, R.T.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Geophysical Investigations Map GP-30
- Publication Date: 1950
- Map Scale: 1:63,360
- Cross Section: None
- North Latitude: 41° 44' 0" N (41.7333)
- South Latitude: 41° 15' 30" N (41.2583)
- East Longitude: 86° 56' 0" W (-86.9333)
- West Longitude: 87° 13' 30" W (-87.2250)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.