Steve Ruberg and Tom Novell hold samples of water to later be used for radioactive chlorine analysis.

Steve Ruberg and Tom Novell hold samples of water to later be used for radioactive chlorine analysis. Image courtesy of Thunder Bay Sinkholes 2008.

 

Related Links

Thunder Bay Sinkholes 2008

Thunder Bay Sinkholes 2008: Sept 7 Log

NOAA Ocean Explorer Gallery

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