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In a landmark decision, the Wyoming Supreme Court ruled in favor of the Eastern Shoshone Tribe in a long-standing land dispute case on Friday, April 15, 2026. The case, which has been ongoing for over a decade, centered around the ownership and jurisdiction of a parcel of land located within the Wind River Indian Reservation.The dispute began in 2015 when a non-tribal entity claimed ownership of a section of land within the reservation, citing a historical land grant dating back to the late 19th century. The Eastern Shoshone Tribe, however, argued that the land in question had always been part of their ancestral territory and was never ceded to the federal government.After years of legal battles and appeals, the case finally made its way to the Wyoming Supreme Court, where justices heard arguments from both sides before delivering their verdict. In a unanimous decision, the court ruled in favor of the Eastern Shoshone Tribe, affirming their rightful ownership of the disputed land.Chief Justice Rebecca Chavez, who presided over the case, stated in the court's opinion that the historical record clearly indicated that the land in question was part of the original Wind River Reservation boundaries established by the Treaty of 1868. She also emphasized the importance of upholding tribal sovereignty and honoring treaty rights in resolving disputes over tribal lands.The ruling was met with jubilation and relief by members of the Eastern Shoshone Tribe, who have fought tirelessly to protect their ancestral lands and resources. Tribal Chairman Darren Monroe expressed gratitude to the court for recognizing their rights and stated that the decision was a significant victory for tribal sovereignty and self-determination.The outcome of this case is expected to have far-reaching implications for future land disputes involving tribal nations in Wyoming and beyond. It serves as a powerful reminder of the enduring importance of recognizing and upholding tribal treaty rights and sovereignty in the legal system.