April 28, 2026
J.R. Simplot Co. is asking the Ninth Circuit to stay pending U.S. Supreme Court review of its decision to invalidate an Idaho land transfer by the U.S. Department of the Interior that would have allowed it to expand its phosphogypsum plant near tribal lands, saying the issue has already caused "robust debate" in the appellate court.
April 23, 2026
The Ninth Circuit's rejection of a global agribusiness' efforts to reverse the invalidation of an Idaho federal land transfer drew the ire of seven Republican-appointed judges, who said in a dissent that the majority is blocking the government's administration of the property that was once owned by an Indigenous nation.
January 14, 2026
The Shoshone-Bannock Tribes are asking the Ninth Circuit to deny a bid by a global agribusiness and the federal government for an en banc panel rehearing on its decision to invalidate an Idaho land transfer, saying the petition doesn't raise any exceptional questions and ignores long-standing Supreme Court precedent.
December 03, 2025
The U.S. Department of the Interior and J.R. Simplot Co. are asking the Ninth Circuit to reconsider a decision to invalidate an Idaho land transfer for the expansion of a phosphogypsum plant, arguing that the panel's conclusion flouts Supreme Court precedent and defies federal land management policy's text and central aim.
August 22, 2025
A split Ninth Circuit panel on Friday upheld a lower court's decision to invalidate an Interior Department land transfer in Idaho for the expansion of a phosphogypsum plant, saying that a 1900 federal law limits the disposal of treaty-ceded lands.
May 28, 2024
A global agribusiness with operations in Idaho has again asked the Ninth Circuit to reverse a lower court's "misguided" holding under the National Environmental Policy Act that favored the Shoshone-Bannock Tribes in their challenge to a U.S. Department of the Interior land transfer.
April 15, 2024
Environmental groups and the National Congress of American Indians have thrown their support behind the Shoshone-Bannock Tribes in calling on the Ninth Circuit to uphold a lower court ruling that the federal government's land exchange with agribusiness J.R. Simplot Co. was unlawful.
April 08, 2024
A group of Idaho tribes is urging the Ninth Circuit to uphold a lower court ruling granting a partial win in their challenge to a land transfer for a fertilizer plant's expansion, arguing that if allowed to go forward, it would continue a decadeslong legacy of contamination for their communities.
February 02, 2024
The Shoshone-Bannock Tribes are objecting to two industry groups weighing in on a dispute over a federal land transfer for the expansion of a fertilizer plant, telling the Ninth Circuit that the organizations' "impermissibly partisan" arguments offer no novel legal perspectives on the case.
January 25, 2024
The states of Idaho and Utah, the U.S. Chamber of Commerce and the National Mining Association have joined the federal government in urging the Ninth Circuit to overturn a lower court ruling in favor of the Shoshone-Bannock Tribes' challenge to a land transfer intended for the expansion of a fertilizer plant.