Huh - I always wondered about that turn!! Thanks for the info, !
I've been past the rooms but not into them. I never have a lean enough mix when I go there. Are they worth a visit?
Here's a video of Small Creek. I'm done with arguments that by posting this I'm destroying it so please don't even go there. It's very narrow and very silty, but boy is it gorgeous! IMHO this is a sidemount only passage.
http://andrewainslie.com/secret/publicsecret.wmv
Look at the silt on the way back. I'm going to claim that's mainly percolation. Seriously, the viz drops fast in this section.