Supreme Court of the United States / October Term 1987

United States of America v. State of Louisiana et al. (alabama and Mississippi Boundary Case)

Decided March 1, 1988. Harry Andrew Blackmun delivered the opinion of the Court.

Docket 9 ORIG · 485 U.S. 88 (1988)

We don’t yet publish a summary of this opinion. Read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 7–0.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Data last verified 2026-08-15. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).