Captain's Footlocker (dustwallow)
From WoWWiki
Captain's Footlocker is a footlocker beneath the docks of Theramore. It was thrown into the waters by a Horde spy (Thargil), who is believe to be a prisoner or dead, it's unclear which.
Objective of
Horde players need the [Captain's Documents] inside for the quest 
[35] The Theramore Docks.
