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Title: Spectrographic data for the ash of ground birch (Betula Rotundiflora, Sarg.) leaves and black spruce (Picea Mariana, B.S.P.) needles collected from the Tanacross 1:250,000-scale quadrangle, Alaska
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Author(s): Day, G.W., Curtin, G.C., and Billings, Theodore
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Publishing Organization: U.S. Geological Survey
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Series and Number: Open-File Report OF-79-1355
- Publication Date: 1979
- Map Scale: 1:250,000
- Cross Section: None
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