stuck in dragon cave

Hi, i found one shard at the bottom of flowing rive but can't find the other two
even though i dived down the bottom to the chest there and can't find the earth guardian for the earth ring, where is he? and where can find the crank for the crank for the bridge across the river? Plase help meee

And the dragon.....where will i find him?

help
help

[thoon]

The things you seek are in the various caverns along the edge of the river. Explore them very carefully, and be ready to fight! The dragon is at the end.

I was also stuck in the dragons caves maybe at the same spot you are. When you fisrt encounter the underground river it appears that there are only two caves leading off it, however there is a third on the other side. The difficulty occurs because of the very strong current which makes it next to impossible to access, but thats what you have to do. there is no other way. Also the auto map is not any help at this point in helping yopu locate this cavern because it doesnt map until you are actually there.