We had problems in my area after T.S. Debby, water was flowing away from coast finding caves and lower depressions in areas until finally leveling out.
here is a place of intrest next to me:
http://www.floridahikes.com/leon-sinks
Some photo's on web:
http://www.google.com/search?q=leon+...w=1382&bih=645
FITH