TAMPA, Fla. (AP) -- Authorities say a fire in a storage building at a Yuengling Brewery complex in Tampa has caused an estimated $1 million in damage and took about an hour to control. The Tampa Tribune reports (http://bit.ly/HmwWOC ) workers were evacuated safely when the fire erupted Saturday evening. Tampa Fire Rescue Capt. Lonnie Benniefield released the damage estimate early Sunday. A Tampa Fire Rescue statement says the fire has been ruled accidental by investigators, and they are still seeking the exact cause. Authorities say dozens of firefighters backed by aerial ladder trucks put out the blaze and one firefighter suffered a minor injury and was treated at a hospital and released. Yuengling is the oldest brewery in the U.S. It was founded in 1829. The company is based in Pottsville, Pa.