National Geologic Map Database
Product Description Page
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Title: Aeromagnetic maps and terrace-magnetization map centered on the Idaho Batholith and Challis volcanic field, northwestern United States
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Author(s): McCafferty, A.E.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Geophysical Investigations Map GP-994
- Publication Date: 1992
- Map Scale: 1:1,000,000
- Cross Section: None
- North Latitude: 47° 0' 0" N (47.0000)
- South Latitude: 42° 0' 0" N (42.0000)
- East Longitude: 110° 0' 0" W (-110.0000)
- West Longitude: 118° 0' 0" W (-118.0000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.