Microbial mat community in the Middle Island submerged sinkhole in Lake Huron.

Microbial mat community in the Middle Island submerged sinkhole in Lake Huron. Image courtesy of Tane Casserly, NOAA, 2007.

 

Related Links

Thunder Bay Sinkholes 2008

Thunder Bay Sinkholes 2008: Sept 4 Log

NOAA Ocean Explorer Gallery