; (ii) with respect to the Pepperell hydroelectric project (Federal Energy Regulatory Commission Project P–12721), the area from 9,240 feet upstream from the crest of the dam to 1,000 feet downstream from the crest of the dam; and (iii) with respect to the Hollingsworth and Vose dam (a project not licensed by the Federal Energy Regulatory Commission), the area from 1,200 feet upstream from the crest of the dam to 2,665 feet downstream from the crest of the dam. . (b) Management (1) Definitions In this subsection: (A) Management plan The term management plan means the Nashua, Squannacook, and Nissitissit Rivers Stewardship Plan dated February 15, 2018 and developed pursuant to a study required under section 5(b)(21) of the Wild and Scenic Rivers Act ( 16 U.S.C. 1276(b)(21) ). (B) Secretary The term Secretary means the Secretary of the Interior. (C) Stewardship Council The term Stewardship Council means the Nashua, Squannacook, and Nissitissit Rivers Stewardship Council. (2) Management plan (A) In general The river segments designated by paragraph (214) of section 3(a) of the Wild and Scenic Rivers Act ( 16 U.S.C. 1274(a) ) (as added by subsection (a)) shall be managed in accordance with— (i) the management plan; and (ii) any amendments to the management plan that— (I) the Secretary determine are consistent with this subsection