Page:John Sturgeon v. Bert Frost, in his official capacity as Alaska Regional Director of the National Park Service.pdf/4

4 Section 103(c)’s regulatory exemption to cover navigable waters. The Government largely relies on the Act’s statements of purpose, but this Court’s construction leaves the Service with multiple tools to “protect” and “preserve” rivers in Alaska’s national parks, as those provisions anticipate. See, e. g., §§3181(j), 3191(b)(7). While such authority might fall short of the Service’s usual power, it accords with ANILCA’s “repeated[ ] recogni[tion]” that Alaska is “the exception, not the rule.” Sturgeon I., 577 U. S., at ___. Pp. 26–29.

, delivered the opinion for a unanimous Court. , filed a concurring opinion, in which, joined.