Save BIG on SD Mines apparel and gifts at the Rocker Shop Annual Clearance Sale! The Clearance Sale will be located in the Surbeck Center Ballroom Wednesday, April 25 and Thursday April 26 from 9:00am-3:00pm. Save up to 75% OFF select items! Choose from a huge selection of SD Mines men’s, ladies, and kid’s apparel, hats, drinkware, accessories and more! Get some lunch while you shop! The SD Mines AISES Chapter will be serving $3 walking tacos as their fundraising effort on Wednesday, April 25.