Washington, Beer GuideNorthwest Beer GuideApril 09, 20172017 Atlas of Beer at Safeco Field, Seattle Mariners, Seattle, WashingtonComment Washington Beer Guide: 2017 Atlas of Beer at Safeco Field for the Seattle Mariners regular season. Washington, Beer GuideNorthwest Beer GuideApril 09, 20172017 Atlas of Beer at Safeco Field, Seattle Mariners, Seattle, WashingtonComment