I tried to attach a pic, but it didn't work.
"A massive formation that resembles a white river spans the cave's floor. A closer examination reveals that the odd formation is an intricate crust of tiny calcite crystals."
"I think Snowy River is one of the primo places underground in the world and there's still so much left that we haven't discovered. ... We don't even know how big it is," said Jim Goodbar, a cave specialist with the federal Bureau of Land Management."