Table 3 (CD-ROM). Compilation of ⁴⁰Ar/³⁹Ar age determinations for Tertiary volcanic rocks, northeastern San Juan region, southwestern Colorado

This table is provided here in several file formats:

Excel 2007/2008-2010/1011 (.xlsx)
Excel 1997-2004 (.xls)
OpenDocument Spreadsheet (.ods)
Portable Document Format (.pdf)

U.S. Department of the Interior
KEN SALAZAR, Secretary

U.S. Geological Survey
Marcia K. McNutt, Director