A One-Round Veluna Introductory Regional Living Greyhawk Adventure
From the introduction:
When four separate trading companies all claim ownership of the same mine, the feathers start flying. Especially when one of the most valuable veins of silver to be seen in recent years is discovered in it. The problem is, everyone has disappeared from the mines along with the deeds. Can you figure out what happened and who owns the mine? An introductory Veluna adventure for new characters.
Only 1st level Living Greyhawk characters may play this scenario.