BALATON - Abby Opdahl and Brian Adams announce their engagement. Parents of the couple are Jay and Jackie Opdahl of Minneota and Stan and Jean Larson of Balaton. Opdahl is a 2005 graduate of Minneota High School and is a student at Minnesota West, Pipestone. Adams is a 1999 Balaton High School graduate. He is employed with R&G Construction. The couple plans a Sept. 11, 2010, wedding.