; or (3) a wilderness study area. 303. Stewardship end result contracting projects (a) In general The Secretary may enter into an agreement or contract with a private person or other public or private entity to perform forest, rangeland, and watershed restoration services that are consistent with the purposes for which the United States Fish and Wildlife Service lands that are the subject of the agreement were established and local and rural community needs. (b) Agreements or contracts (1) Procurement procedure A source for performance or an agreement or contract entered into under subsection (a) shall be selected on a best-value basis, including consideration of source under other public and private agreements or contracts. (2) Contract for sale of forest products A contract entered into under this section may, at the discretion of the Secretary, be considered a contract for the sale of forest products under such terms as the Secretary may prescribe without regard to any other provision of law. (3) Term The Secretary may enter into an agreement or contract under subsection (a) for an initial period of not more than 20 years. (4) Offsets (A) In general The Secretary may apply the value of forest products removed as an offset against the cost of forest, rangeland, and watershed restoration services received pursuant to an agreement or contract under this section. (B) Value of offset The value of timber or other forest products used as an offset— (i) shall be determined using appropriate methods of appraisal commensurate with the quantity of products to be removed; and (ii) may— (I) be determined using a unit of measure appropriate to the contracts