National Geologic Map Database
Product Description Page
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Title: The Ruby placer district
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Author(s): Maddren, A.G.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 520 [p. 287-296]
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Larger Work: Mineral resources of Alaska, report on progress of investigations in 1911
[See Larger Work]
- Publication Date: 1912
- Map Scale: 1:1,300,000
- Cross Section: None
- North Latitude: 65° 0' 0" N (65.0000)
- South Latitude: 63° 0' 0" N (63.0000)
- East Longitude: 154° 0' 0" W (-154.0000)
- West Longitude: 158° 0' 0" W (-158.0000)
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* See base map disclaimer below.
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.