March 22, 2021
The U.S. Department of the Interior's Office of the Solicitor has killed a Trump-era opinion that a stretch of Missouri River riverbed belonged to North Dakota rather than the Mandan, Hidatsa and Arikara Nation, returning mineral ownership rights to the tribal nation.
October 09, 2020
The Mandan, Hidatsa and Arikara Nation has slammed a U.S. Department of the Interior solicitor's opinion handing rights over a stretch of Missouri River riverbed to North Dakota, telling a D.C. federal court that he can't overrule a 1979 Interior Board of Land Appeals decision.
September 09, 2020
North Dakota has urged a D.C. federal judge to trim the Mandan, Hidatsa and Arikara Nation's suit against the U.S. Department of the Interior over rights to land beneath the Missouri River, saying a DOI solicitor's opinion that the state owns the riverbed is backed by the historical record.
September 02, 2020
The U.S. Department of the Interior says a tribal suit in D.C. federal court over land beneath the Missouri River should be tossed, arguing that the DOI chief attorney's recent legal opinion about who owns the property is not an agency action that can be litigated.
August 28, 2020
A D.C. federal court has ruled that North Dakota may become a party in a tribe's suit against the Trump administration over ownership of land along the Missouri River, finding that the federal government may not adequately represent the state in litigation.
July 16, 2020
The Three Affiliated Tribes have filed two suits against the U.S. government alleging its recent declaration that North Dakota legally owns the land beneath a portion of the Missouri River flowing through their reservation is an unconstitutional betrayal that has cost them at least $200 million.