United States v. Louisiana

422 U.S. 13 · Decided June 16, 1975 · Supreme Court of the United States

At a glance

United States v. Louisiana was decided on June 16, 1975 unanimously (7–0). SCDB classifies its main issue as “Federal-state ownership dispute” in the Federalism area.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Did not participate: William O. Douglas, Thurgood Marshall.

Full case caption

United States v. Louisiana et al. (Louisiana Boundary Case)

SCDB identifiers: case 1974-121, docket 1974-121-01.

Related decisions

Other cases on “Federal-state ownership dispute”

• United States v. Maine
  423 U.S. 1Decided October 6, 19759–0
• Utah v. United States
  420 U.S. 304Decided February 19, 19759–0
• United States v. Florida
  425 U.S. 791Decided May 24, 19769–0
• Utah v. United States
  427 U.S. 461Decided June 28, 19768–0
• United States v. Florida
  430 U.S. 140Decided February 23, 19779–0Per curiam
• United States v. California
  432 U.S. 40Decided June 13, 19779–0

See all

Same Term, same area (Federalism)

• Allenberg Cotton Co., Inc. v. Pittman
  419 U.S. 20Decided November 19, 19748–1William O. Douglas
• American Radio Assn. v. Mobile Steamship Assn., Inc.
  419 U.S. 215Decided December 17, 19745–4William H. Rehnquist
• Cousins v. Wigoda
  419 U.S. 477Decided January 15, 19758–1William J. Brennan Jr.
• Utah v. United States
  420 U.S. 304Decided February 19, 19759–0
• United States v. Florida
  420 U.S. 531Decided March 3, 19758–0Per curiam
• United States v. Maine
  420 U.S. 515Decided March 17, 19758–0Byron R. White

See all

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error