Headgate on Pleasant Valley and Lake Canal, 1941 -- Concrete drop in small ditch. Haythorne farm 5 miles west of Eaton, 1941-06-19 -- Drop below New Windsor reservoir, 1941 -- Inch concrete Parshall flume with tile stilling well and special gage stick, 1941 -- Concrete Parshall flume. Water passing thru Shady setting, undated -- Concrete Parshall flume, tile stilling well and special gage stick, undated -- Concrete Parshall flume. Tile stilling well. Special gage stick, undated -- Concrete Parshall flume. Tile stilling well. Special gage stick, undated -- Concrete Parshall flume, undated -- Parshall flume replacing an old measuring box on Pleasant Valley and Lake Canal near Fossil Creek, undated -- Small concrete Parshall flume equipped with tile stilling well. Pleasant Valley and Lake Canal, 1941 -- Small concrete Parshall flume equipped with tile stilling well. Pleasant Valley and Lake Canal, 1941 -- Small concrete Parshall flume equipped with tile stilling well. Pleasant Valley and Lake Canal, 1941 -- Small concrete Parshall flume equipped with tile stilling well. Pleasant Valley and Lake Canal, 1941 -- Small concrete Parshall flume under Pleasant Valley and Lake Canal, 1941 -- Valley and Lake canal , 1941 -- Timber Parshall flume, undated -- Outlet tube of vortex tube sand trap Jackson Ditch showing sand bar, 1941-06 -- Sand bars at outlet of Jackson Ditch vortex tube sand trap, 1942-07-03 -- Sand bars at outlet of Jackson Ditch vortex tube sand trap, 1942-07-03 -- Sand bars at outlet of Jackson Ditch vortex tube sand trap, 1942-07-03 -- Irrig. Field Day, 1965 -- Irrig. Field Day, 1965 -- Steel Ditch Liner, Irrig. Field Day, 1965-09-10 -- Track Remover, Irrig. Field Day , 1965-09-10 -- Irrig. Field Day, 1965-09-10 -- Irrig. Field Day, 1965 -- Irrig. Field Day, 1965-09-10 -- Irrig. Field Day, 1965-09-10