Colt and Tarah Burggraff buy Landmark Realty & Auction Colt and Tarah Burggraff purchased Landmark Realty & Auction from Colt’s father, Lee, in November. (Photo/Submitted) Sara Stadem | Editor For over 33 years, Landmark Realty & Auction (LR&A) has been owned by Lee Burggraff. With Lee deciding it’s time to take a step back, LR&A…