Solem v. Bartlett

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Solem v. Bartlett (1984): simple summary

What the case was about
- The Supreme Court looked at Indian country rules and whether selling or opening land on a reservation to non-Indians really reduces the reservation’s boundaries.
- The Cheyenne River Sioux Reservation in South Dakota was created in part by the 1889 allotment plans. The 1908 Cheyenne River Act gave the Secretary of the Interior power to sell surplus land on the reservation to non-Indians. The money would be used to support the tribe.
- In 1979, John Bartlett, a member of the Sioux tribe, was charged with attempted rape for a crime that happened on land that had been opened to settlement in 1908. He argued that the land was still part of the reservation, so the case should be in tribal or federal court, not the state court.

What the Supreme Court decided
- The Court ruled unanimously that the Cheyenne River Act did not diminish the reservation boundaries. The Act allowed selling land, but it did not explicitly reduce the size of the reservation.
- The main idea (the rule) is that only Congress can diminish reservation boundaries, and it must do so clearly. A law that merely opens land to settlement or that deals with land titles is not enough by itself to show that the reservation was reduced.

Three key ideas the Court established
1) Congressional power only: Only Congress can change (diminish) where a reservation ends.
2) Clear language or clear intent: A reservation isn’t diminished just because land is opened or sold. There must be explicit language or a strong historical signal that Congress meant to reduce the reservation.
3) Look at more than the words: If the law’s text doesn’t say diminishment, courts can also consider legislative history and how the land was treated after the law. But absent clear signs, the reservation remains.

Why this matters
- Solem created a framework for deciding whether laws about surplus land really diminish a reservation.
- The decision has been used in later cases to decide whether other reservations were diminished or not. For example, in Hagen v. Utah and South Dakota v. Yankton Sioux Tribe, courts weighed the exact language of laws and how lands were treated to decide if the boundaries had been erased.
- It also influenced later questions about jurisdiction in Indian country, including cases like Sharp v. Murphy and McGirt v. Oklahoma, where the courts again looked for clear congressional intent to change reservation boundaries.

Bottom line
Solem v. Bartlett says: simply opening land to non-Indians or selling it does not automatically shrink a reservation. Congress must clearly say so, and the surrounding history and actions can help show that intent. Until then, the reservation boundaries stay in place.