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USGS OF 92-701

40Ar/39Ar age-spectrum data for whole rock basalts, and plagioclase and biotite from tephra; a traverse down the Porcupine River, east-central Alaska

Bibliographic Reference

Kunk, M.J., and Cortesini, Henry, Jr., 1992, 40Ar/39Ar age-spectrum data for whole rock basalts, and plagioclase and biotite from tephra; a traverse down the Porcupine River, east-central Alaska: U.S. Geological Survey Open-File Report 92-701, 81 p.

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