March 2013 <i>GSA Today</i> cover (IMAGE)

Geological Society of America

March 2013 <i>GSA Today</i> cover

Caption

The monument at Klonk, Czech Republic, to the Silurian/Devonian boundary stratotype, which was defined in a section in the adjacent hillside. The people in the photograph formed part of a meeting of the International Commission on Stratigraphy in Prague in 2010.

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GSA Today

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