Quote Originally Posted by RobA View Post
Make it a tidal salt marsh: http://en.wikipedia.org/wiki/Salt_marsh

Or if you wanted to be more agressive, a tidal plane with a massive tidal bore
Well that's sort of the idea I am going for.

Between the two it is mostly salt marsh, but sometimes it floods and ships can actually navigate a channel through it.

The question is any thoughts on how to represent that on a map?