Originally posted by GunsForBucks:

Originally posted by Lothroth:

Found some! It was high up in a mountain. Seems there is indeed a requirement for the mountain to be rather tall..!?

Yes

Also the bones when picked up often have a silver necklace,

Oh, so it was just meant to be bones there?
We excavated forever and nothing happened, so we went away. When we got back there were no sonar sounds any more. Oh well. Good to know, thanks.

And thanks everybody :)