U.S. Supreme Court February 1930 casesMinerals Separation v. Magma Co.Davis v. PrestonChicago N.W. Ry. v. LindellFlorsheim Bros. Co. v. United StatesCollie v. FergussonCarley Hamilton v. SnookPiedmont Nor. Ry. v. United StatesC. O. Ry. Co. v. BryantTagg Bros. & Moorhead v. United StatesUnited States v. Guaranty Tr. Co.United States v. WurzbachUnited States v. American Can Co.Kansas City So. Ry. v. Trust Co.Lucas v. North Texas Co.Early v. RichardsonDistrict of Columbia v. FredSuperior Oil Co. v. MississippiMoore v. MitchellN.Y.C.R. Co. v. AmbroseWhite v. Sparkill Realty Co.Illinois Cent. R. Co. v. CrailU.S. Fidelity G. Co. v. GuentherLucas v. American Code Co.B. O.S.W.R. Co. v. CarrollCooper v. United StatesLindgren v. United StatesDist. of Columbia v. Thompson