BROOKINGS — Wessington Springs’ JD Thompson is among the contenders in the Class B state high school boys golf tournament after the first day of competition Monday, shooting a round of 1-over-par 73 at Brookings Country Club. Thompson is two shots behind Sully Buttes’ Gavin Colson, who has the lead after a 1-under-71 on the first day. Thompson had two birdies on the front nine for a 2-under-34, but then had bogeys on four of his first six holes …