River Valley won 69-39 over Prairie du Chien in boys basketball on Thursday night. The host Blackhawks shot to a 39-18 lead at halftime and eventually enjoyed a 40 point lead with 8:30 left in the game which got the continuous clock running for the rest of the night.  The victory improved River Valley’s record to 7-5 overall and 3-1 in the league. Prairie du Chien will continue to search for a first win as they fell to 0-11 and 0-4.