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Colorado River Indian Tribes · colorado river indian tribes · Colorado River Indian Tribes of the Colorado River Indian Reservation, Arizona and California

Colorado River Indian Tribes

Not yet reviewed by this nation. What follows comes from public records and research. It does not speak for the nation.

Official name
Colorado River Indian Tribes of the Colorado River Indian Reservation, Arizona and California
Recorded status
Listed by the Bureau of Indian Affairs (91 FR 4102, January 30, 2026)
Region
Southwest

In the record

One court case turned on its rights: Arizona v. California.

This nation carries the history of Hopi and Navajo (Diné) in the treaty record.

Written from the records linked here; open any of them for its sources. This is what the United States’ treaty record says, not the nation’s own account.

Treaty under documented pressureExecutive orderNot statedShapes from the 1899 federal record: approximate, not legal boundaries.

The record over time

Circles are land the United States recorded as ceded, sized by acres and colored by how it was taken. Bars are treaties, broken promises, court cases and land returns.

Names

Each name shows where it comes from. A nation’s own name is shown as the nation writes it.

Land recorded as ceded

This nation carries the history of peoples named in Royce’s schedule. Their record:

Navajo (Diné) About 24 million acres recorded as ceded by the end of 1894
  • Treaty under documented pressure24 million

Estimate from Royce’s maps; overlapping cessions counted once. Not a survey or legal measure.

5 cessions. Follow Navajo (Diné) through the years on the map

Who is doing the work

Native legal and land defense, nationally

Gifts go straight to each organization; this atlas takes nothing. Listing is not endorsement: how organizations are listed.

Connections

These links were matched automatically by name or date and have not yet been reviewed by a person.

Carries the treaty history of 2

Land recorded in this nation’s name 1, matched by the Forest Service, under review

Named in 1

Sources

  1. federalregister.gov/documents/full_text/html/2026/01/30/2026-01899.htmlprimary record
    Colorado River Indian Tribes of the Colorado River Indian Reservation, Arizona and California
  2. Indian Entities Recognized by and Eligible To Receive Services From the BIA, 91 FR 4102 (Jan. 30, 2026)primary record
    Listed in 91 FR 4102 (Jan. 30, 2026).
  3. crit-nsn.gov/crit_contents/about/reference work
    People of the Hopi and Navajo Tribes were relocated to the reservation in later years.
Research notes

Named in the Arizona v. California row.

Kind
Nation
Confidence
Medium
Nation review
Not yet reviewed by this nation

Correct this record