Supreme Court of Minnesota June 1980 casesSchroeder, Siegfried, Etc. v. Modern ElectronicState ex Rel. L.E.A. v. HammergrenZahler v. ManningMetropolitan Waste Control Commission v. City of ShakopeeState v. FarrellColler v. Guardian Angels Roman Catholic ChurchPietrzak v. EggenParkside Mobile Estates v. Lee