Altruist Brewing, Milk Room Brewing, Oakholm Brewing, Seven Saws Brewing, Stone Cow Brewery and Timberyard Brewing have teamed up to create a Beer Passport Program. Passports will be available at all 6 participating breweries starting March 4. Visit all 6 breweries during MASS Beer Week, purchase a beer or a piece of merchandise, and get entered to win a grand prize!