Whiskey Barrel Craftsmanship

Not even devoted fans of Jack Daniel's would recognize the clear liquid poured into barrels at the popular whiskey's Tennessee distillery. At that point, the potent brew looks like water. It's while maturing for years inside new charred oak barrels produced by Blue Grass Cooperage in Louisville, Ky., that the whiskey acquires its amber color, plus most of its taste and aroma.

AP