Citation Codes Equivalent Citations citation codes Docket Number No. 71-421. See more information ... Smart Summary Please sign up to generate summary. TEXAS GULF SULPHUR CO. ET AL. v. MITCHELL ET AL. C.A. 10th Cir. Certiorari denied. MR. JUSTICE STEWART and MR. JUSTICE BLACKMUN are of the opinion that certiorari should be granted. Reported below: 446 F. 2d 90.