On Tue, 20 Sep 2005 21:51:15 GMT, Lew Hartswick
wrote:

On Mon, 19 Sep 2005 21:37:00 -0500, "Martin H. Eastburn"
wrote:

(snips)


I doubt

there is much limestone as the large fresh water flow of the river
discourages marine corals.

I don't even know who this is a reply to G.

Why are there seemingly no freshwater corals today?
Why have not corals adapted to colder waters either?
--
Cliff