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40Ar/39Ar Age-Spectrum and Laser Fusion Data for Volcanic Rocks in West Central Colorado

By Michael J. Kunk, Jeffrey A. Winick, and Josette O. Stanley

U.S. Geological Survey Open-File Report 01-472

Version 1.0


OFR-01-472 PDF File (2.2 MB)
(This version of the report is accessible as defined in Section 508.)


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