A hose attached to the ROV's umbilical pumps groundwater from the bottom of the sinkhole to the surface for sample collection.

A hose attached to the ROV's umbilical pumps groundwater from the bottom of the sinkhole to the surface for sample collection. 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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