There is at least one smoking lounge in the terminal and you can smoke in the bars as well.
As Carol said, Smokin' Bear Smoking Longe is your best bet. A one drink minimum is required. Fountain drinks are 3 dollars.
Mainly outside
There is one area inside the airport called Smokin' Bear Lodge Smoking Lounge and you need to buy $5 worth of food/drinks. Otherwise you may smoke outside.
Outside by ground transport.
There are designeded areas, look for the cigerette
outside
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