The large mountain corals rise off of the sand floor at
least twenty feet and offer some of the most dramatic diving
in the area.This picture was taken in 1994.

Sand Key Grand Canyon 04/26/01 (image 02)
Before entering the Grand Canyon we observe the top of
a sea fan that is infected with black band disease. This
is an indication that polluted water has been passing over
this reef.

Grand Canyon, 06/18/01, image 01
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