Riverdale won a nail biter 53-51 over Boscobel in girls basketball last night in Muscoda.  The Chieftains led 24-20 at halftime and both teams shared leads in the 2^nd half.  Boscobel was up by 6 points midway through the 2^nd half before Riverdale came back to take the lead for good and eventually hold off the Bulldogs in the end.