((a)) ** Inventory and assessments**

((1)) ** In general** The Secretary concerned shall—

((A)) conduct an inventory and assessment of recreation resources for Federal recreational lands and waters;

((B)) develop the inventory and assessment with support from public comment; and

((C)) update the inventory and assessment as the Secretary concerned determines appropriate.

((2)) ** Unique recreation values** An inventory and assessment conducted under paragraph (1) shall—

((A)) recognize—

((i)) any unique recreation values and recreation opportunities; and

((ii)) areas of concentrated recreational use; and

((B)) identify, list, and map recreation resources by—

((i)) type of recreation opportunity and type of natural or artificial recreation infrastructure;

((ii)) to the extent available, the level of use of the recreation resource as of the date of the inventory; and

((iii)) identifying, to the extent practicable, any trend relating to recreation opportunities or use at a recreation resource identified under subparagraph (A).

((3)) ** Assessments** For any recreation resource inventoried under paragraph (1), the Secretary concerned shall assess—

((A)) the maintenance needs of, and expenses necessary to administer, the recreation resource;

((B)) the suitability for developing, expanding, or enhancing the recreation resource; and

((C)) the adequacy of the current management of the recreation resource.

((b)) ** Existing efforts** To the extent practicable, the Secretary concerned shall use or incorporate existing applicable research and planning decisions and processes in carrying out this section.

((c)) ** Omitted**