Find Ruby's Necklace
|The following is based on Fallout: Brotherhood of Steel and has not been confirmed by canon sources.|
This quest is easy enough to complete. Just fight your way through the railyard on your way to the mill, and at a certain point one of the Raiders you kill will drop it. After your business is concluded in the mill you can return the necklace to Ruby before telling the Wasteland Stranger you are ready to leave town.