Caoneists came out to enjoy the 52nd Annual River Rat Race April 11, as water was released from both Birch Hill and Tully Lake dams in Royalston, Massachusetts, along the Millers River to provide whitewater conditions for the races. The U.S. Army Corps of Engineers released flows of approximately 1,100 cubic feet per second (cfs) from Birch Hill Dam and 300 cfs from Tully Lake Dam for Saturday, April 11 and Sunday, April 12, according to Project Manager Jeffrey Mangum in Royalston.