Mealey's (November 10, 2020, 2:02 PM EST) -- SALEM, Ore. — The state of Oregon, the United States, a Native American tribe and an electric utility on Oct. 20 filed briefs opposing a mandamus petition by 45 water rights holders asking the Oregon Supreme Court to direct an adjudication court to comply with state civil and evidentiary law regarding the Klamath River Basin (In Re Waters of the Klamath River Basin, No. S067998, Ore. Sup.)....