Iron

Iron is a resource.

Mined from island rock. Essential for ships and weapons.

Spent on

Fishing Boat (10)
Trawler (80)
Longliner (200)
Whaler (600)
Merchant Cog (50)
Scout Sloop (10)
Runner (800)
War Sloop (40)
Brigantine (100)
Salvage Barge (100)
Wrecking Lugger (200)
Diving Bell Ship (500)
Bathysphere Tender (1,200)
Gleaner (7,000)
Supply Barque (200)
Heavy Argosy (500)
Grand Argosy (3,000)
Command Pinnace (150)
Colony Ship (2,000)
Charter Ship (30,000)