To amend the Wild and Scenic Rivers Act to designate a certain portion of the Niobrara River in the State of Nebraska for study for potential addition to the wild and scenic rivers system.

[AI summary unavailable — showing source text] Amends the Wild and Scenic Rivers Act to designate a segment of the Niobrara River, Nebraska, for study as a potential addition to the National Wild and Scenic Rivers System. Requires the Secretary of the Interior to appoint a Niobrara River Advisory Board to assist in the preparation of a comprehensive management plan, if portions of the river are found suitable for designation.…