Intertidal zone. (Original description: A rock on a beach near Kalaloch, Washington. The rock, seen at low tide, exhibits typical intertidal zonation.)

Source: English Wikipedia by: 21:20, 5 April 2006 . . Bcasterline (Talk | contribs) . . 1131×1820 (652,291 bytes) (A rock on a beach near Kalaloch, Washington. The rock, seen at low tide, exhibits typical intertidal zonation.)

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