WATCH VIDEO: https://youtu.be/kqH_mJexJz4   For successful operations, different eras of its history serve as touchstones that propelled them to where they are today. For Minnesota’s Ulland Brothers Inc., it has over 100 years of moments to point to.   In the 1920s, it was when brothers Oscar and Palmer Ulland moved back to the Austin, Minn., area after a wheat farming venture in Montana and started hauling gravel. In the mid-1930s, the brothers moved to St. Louis County in northern Minnesota with a crusher. They started winning crushing bids and expanded their project area throughout the state. From there, the company continued to grow and add services.   Today, Ulland Brothers has roughly 375 employees split between its locations in Virginia, Minn., Albert Lea, Minn., and Cloquet, Minn., with a focus on heavy highway and civil projects in addition to aggregate and underground divisions.   And Ulland Brothers isn’t done creating moments. ...