Because we agree with the district court that the BLM violated NEPA and the ESA in adopting the 2006 amendments, we affirm the court’s grant of summary judgment to Plaintiffs as to these claims. We also affirm the district court’s permanent injunction enjoining the BLM regulations as set forth in the Federal Register of July 12, 2006, amending 43 C.F.R. Part 4100 et seq. Because the district court erred when it failed to consider Plaintiffs’ FLPMA claim under the frame-work and with the deference set forth in Chevron U.S.A., Inc. v. Natural Resources Defense Council, Inc., 467 U.S. 837, 842-43 (1984), we vacate the district court’s grant of summary judgment in favor of Plaintiffs on this claim and remand it for further consideration.

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