Little Traverse Lake Prop. Owners Ass'n v. Nat'l Park Serv.

ROGERS, Circuit Judge.

This case presents the question of what citizens must do during the administrative planning stage of a federal agency action in order to preserve a later challenge to the agency's final decision under the National Environmental Policy Act ("NEPA"). In 2008, the National Park Service *648 proposed a plan to build a scenic trailway through the Sleeping Bear Dunes National Lakeshore in Leelanau County, Michigan. One of the alternative routes for the trailway ran along Traverse Lake Road, but residents along that road opposed sending Lakeshore visitors down their residential…