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Mandan, Hidatsa and Arikara Nation v. U.S. Department of the Interior et al

  1. June 10, 2022

    North Dakota Judge Tosses MHA Nation's Drilling Suit

    A North Dakota federal judge has handed the U.S. Department of the Interior and a drilling company a quick win against the Mandan, Hidatsa and Arikara Nation's suit challenging the DOI's approval of eight oil and gas drilling sites, saying the tribe didn't have the authority to regulate the company there.

  2. December 20, 2021

    Slawson Drilling Suit Should Be Kept Alive, Tribe Says

    A Native American tribe told a North Dakota federal judge to ignore a magistrate judge's recommendation to dismiss its suit challenging government approval of eight drilling sites, arguing a recent Supreme Court ruling is "in tension with" the judge's report.

  3. February 24, 2021

    Judge Recommends To Drop Suit Over Slawson Drilling Sites

    A magistrate judge told a North Dakota federal court that he thought the Mandan, Hidatsa and Arikara Nation's suit challenging government approval of eight drilling sites should be tossed since he did not think the sites negatively impacted the surrounding area.

  4. May 13, 2020

    Tribes Fight Bid To Squelch Suit Over Well Permits

    The Mandan, Hidatsa and Arikara Nation on Tuesday asked a North Dakota federal judge to reject the U.S. Department of the Interior's bid to uphold agency approvals for a drilling site on tribal land, saying the tribe can regulate conduct that threatens it.

  5. April 14, 2020

    Feds, Oil Co. Seek Win In Tribe's Suit Over Well Permit

    The U.S. Department of the Interior, joined by oil company Slawson Exploration Co. Inc., urged a North Dakota federal court to grant it a victory in a suit claiming it wrongly opened the door to drilling on tribal land in the face of objections from the Mandan, Hidatsa and Arikara Nation.