Utah distillers taste 150-year-old alcohol uncovered at former mining town Archaeologists uncovered a 150-year-old bottle of alcohol during a summer excavation at a former Wild West mining town in Alta, Utah. (Source: FOX 13) NEW You can now listen to Fox News articles! While topping off one liquor bottle with the remnants of another behind the bar may look like a marriage of convenience, experts say the practice is anything but harmless — and that customers should know the warning signs. "