Siphon for Galloway Ditch [Canal] flowing "under" Mann Creek. At high water when the irrigation dam below is out this siphon with its concrete apron forms a considerable barrier for steelheads and salmon
Dam and diversion on Mann Creek just above the Harold Beecher dam. About 1 cubic foot per second is escaping under flash boards. Pool above dam is heavily covered with algae. It is a low water barrier for fish