EntityQ689531· pop 8· linked from 64 articlesJohn Day DamSign in to saveconcrete gravity run-of-the-river dam on the Columbia River in Oregon and Washington, United StatesConnectionsWashingtonEntityUnited States dollarEntitygeographic coordinate systemEntitydamEntitywattEntitysea levelEntitypower stationEntityColumbia RiverEntityreservoirEntityhydroelectricityEntitysalmonEntitylockEntityAstoriaEntityUnited States Geological SurveyEntitykilowatt-hourEntityThe DallesEntitywater turbineEntitySherman CountyEntityKlickitat CountyEntityGoldendaleEntityCategories1971 establishments in Oregon1971 establishments in Washington (state)Buildings and structures in Klickitat County, WashingtonBuildings and structures in Sherman County, OregonDams completed in 1971Dams in OregonDams in Washington (state)Dams on the Columbia RiverDams with fish laddersEnergy infrastructure completed in 1971Gravity damsHydroelectric power plants in Oregon