Mattz v. Arnett, Director, Department of Fish and Game

Decided June 11, 1973. Harry Andrew Blackmun delivered the opinion of the Court.

Docket 71-1182 · 412 U.S. 481 (1973) · Cited 282 times

Holding

The Klamath River Reservation was not terminated by the Act of June 17, 1892, and the land within the reservation boundaries is still Indian country, within the meaning of 18 U.S.C.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

How the Justices voted

Decided 9–0.

“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.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Seymour v. Superintendent of Washington State Penitentiary · 368 U.S. 351 (1962)
• United States v. Nice · 241 U.S. 591 (1916)
• Donnelly v. United States · 228 U.S. 243 (1913)
• United States v. Celestine · 215 U.S. 278 (1909)
• United States v. Southwestern Cable Co. · 392 U.S. 157 (1968)
• Wilbur v. United States Ex Rel. Kadrie · 281 U.S. 206 (1930)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Rosebud Sioux Tribe v. Kneip · 430 U.S. 584 (1977)
• DeCoteau v. District County Court for the Tenth Judicial District · 420 U.S. 425 (1975)
• Hagen v. Utah · 510 U.S. 399 (1994)
• Puyallup Tribe, Inc. v. Department of Game of Washington · 433 U.S. 165 (1977)
• BRENDALE v. CONFEDERATED TRIBES AND BANDS OF THE YAKIMA INDIAN NATION Et Al. · 492 U.S. 408 (1989)
• Solem v. Bartlett · 465 U.S. 463 (1984)
• United States v. Mitchell · 445 U.S. 535 (1980)
• Washington v. Confederated Bands & Tribes of the Yakima Indian Nation · 439 U.S. 463 (1979)
• Mountain States Telephone & Telegraph Co. v. Pueblo of Santa Ana · 472 U.S. 237 (1985)
• Moe v. Confederated Salish & Kootenai Tribes of the Flathead Reservation · 425 U.S. 463 (1976)
• Bryan v. Itasca County · 426 U.S. 373 (1976)
• Antoine v. Washington · 420 U.S. 194 (1975)
• Cotton Petroleum Corp. v. New Mexico · 490 U.S. 163 (1989)
• South Dakota v. Yankton Sioux Tribe · 522 U.S. 329 (1998)
• United States v. Dion · 476 U.S. 734 (1986)
• South Carolina v. Catawba Indian Tribe, Inc. · 476 U.S. 498 (1986)

Official text

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

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Source: Supreme Court of the United States, slip opinions (1973). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).