Issue link: http://read.uberflip.com/i/620805
THUNDER BAY MINING CO. $1 OFF $1 OFF GEMSTONE MINING ROUGH Next to the Bavarian Belle Riverboat "at the Waterfall" Frankenmuth's only Gem Mining sluice. Buy a bag of mining rough and screen the rough in the mining sluice. At least 20 different kinds of gemstones in every bag. "Loads of fun." "Educational" Color description card with every bag. Expires 10-15-2016. Offer Good Until October 15, 2016 15