People mingle during a Business After Hours event held at RiverBluff’s headquarters in Dubuque. The event took place on July 18. PHOTO CREDIT: Dave Kettering

The next event will take place Tuesday, Aug. 15, at the National Mississippi River Museum & Aquarium. PHOTO CREDIT: Dave Kettering

Co-owner of RiverBluff D.J. Leoffelholz (left) along with store manager Matt Rheault during a Business After Hours event held at RiverBluff’s headquarters in Dubuque. PHOTO CREDIT: Dave Kettering

People mingle during a Business After Hours event held at RiverBluff's headquarters in Dubuque. PHOTO CREDIT: Dave Kettering

Co-owner of RiverBluff Ali Gansemer (right) chats with Jeremie Oberbroeckling and Jessica Vandersnick (left). PHOTO CREDIT: Dave Kettering