U.S. Supreme Court April 1972 casesVermont v. New YorkAlexander v. LouisianaMinnesota State Senate v. BeensProcter & Gamble Co. v. Purex Corp.Nebraska v. IowaCarter v. StantonSierra Club v. MortonCole v. RichardsonS E Contractors, Inc. v. United StatesIllinois v. City of MilwaukeeAffiliated Ute Citizens v. United StatesWeber v. Aetna Casualty Surety Co.Nebraska v. IowaGrubbs v. General Electric Credit Corp.Conrad v. JudsonWashington v. General Motors Corp.Evansville Airport v. Delta AirlinesStanley v. IllinoisAugello v. U.S.