Flume from wooden dam on Big Woo River 1/2 mile above Bullion street bridge carrying water to Idaho Power powerplant on west en Silver street. Older Hailey boys threww younger ones in this flume as right of passage in 1840's above grill on penstocks. Water was deep and fast. Ken Dugger threw me in about 1948. Baldy flank in back {Description from Jim Koonce's notes}