DZ>Next weekend (August 19 & 20) I will be diving the Mackinac
DZ>Straits...There are some excellent wrecks there. I only hope that
DZ>the Zebra Mussels haven't take over all of the wrecks.
From what I have read the Zebras help the vis a great deal due to all
the filtration that they do.  How about letting us know if this is
correct.
CARL
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 * SLMR 2.1a * Clay, WV---First National Opossum Refuge
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