National Geologic Map Database
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Title: Mining developments in southeastern Alaska [Ketchikan mining district]
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Author(s): Chapin, Theodore
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 642
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Larger Work: Mineral resources of Alaska, report on progress of investigations in 1915
- Publication Date: 1916
- Map Scale: 1:1,207,000
- Cross Section: None
- North Latitude: 56° 53' 0" N (56.8833)
- South Latitude: 56° 12' 0" N (56.2000)
- East Longitude: 131° 51' 45" W (-131.8625)
- West Longitude: 133° 27' 0" W (-133.4500)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.