Detailed text transcripts for TV channel - CNN - 20110308:16:16:00
These florida beaches are spectacular. >> reporter: the goal is to get the beaches back to their pre-oil spill form. but layers of oil still exist deep in the sand. and these machines are only allowed to dig down six inches in this wildlife protected area. >> there's a lot more going on the sand than meets the eye. >> it's very active substrate. it's very diverse, what we can't see is a lot of other critters literally that are below us right now that all drive this whole system. >> reporter: all of what makes this perfect nesting grounds for some rare animals. i got to handle a few sea turtles...