Paddlers enjoy whitewater conditions during the 52nd Annual River Rat Race April 12 on the Athol-Orange section of the Millers River in Massachusetts. Water was released by the U.S. Army Corps of Engineers from both Birch Hill and Tully Lake dams in Royalston with flows of approximately 1,100 cubic feet per second (cfs) from Birch Hill Dam and 300 cfs from Tully Lake Dam for the event, according to Project Manager Jeffrey Mangum in Royalston.