Possible Clues:

• Is a pound able to get there by way of water?
• Is a pound able to go by way of water?
• Is a pound of this able to hold water?
• One can start to barge around there
• Is a pound able to be liquidated?
• Part of a network, often
• Is a fifty enough to allow one to barge around in?
• Locks in a tin with a pound
• It gets its turn in 8 down
• Does prohibition-buster have the ability to provide a conduit for trade?