The 2009 extensions were found after a large flood.
The 2011 passage beyond Plug Sump was found after a big flood.
What will open up after the next big flood...?
Waiting for a flood
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- Written by: Rob Eavis
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The 2009 extensions were found after a large flood.
The 2011 passage beyond Plug Sump was found after a big flood.
What will open up after the next big flood...?