A One-Round Living Greyhawk Yeomanry Regional Adventure
From the introduction:
A Yeoman March goes missing after investigating a newly uncovered mineshaft thought to belong to a long forgotten dwarven city that plunged into the earth centuries ago. What could be the reason for their disappearance? Stalwart Yeoman adventurers are asked to answer the call.
A Yeomanry regional adventure for [character levels] 2 - 10.