Court of Appeals for the Tenth Circuit December 1971 casesUnited States v. PachecoSecurities Exch. Com'n v. Geyser MineralsBrennan v. University of KansasMountain Fuel Supply Company v. United StatesRichardson v. MacArthurQuinn Co. v. Securities Exchange Com'nKirk v. United StatesTape Head Company v. R C a CorporationUnited States v. Sandoval