• Tim Gregson, left, hits the ball with his mallet Sunday afternoon, Aug. 30, 2015,  as other polo players make chase during a match at the Newton Fork Ranch outside of Hill City, S.D. The Rapid City Black Hills Polo Club and the Hill City Rushmore Polo and Social Club took to the field for the final time on Sunday afternoon. They decided to quit after this year because it's becoming increasingly difficult to organize matches and train the horses. (Chris Huber/Rapid City Journal via AP) TV OUT; MANDATORY CREDIT

    Polo tradition ends in Black Hills after 3 decades

    HILL CITY, S.D. (AP) — A 30-year tradition between two polo teams in the Black Hills has come to an end because of problems coordinating the annual matches.