Boundaries and mineral withdrawal for certain components of the National Wild and Scenic Rivers System in the State of Oregon

(a) Boundaries for certain wild and scenic rivers in the State of Oregon (1) In general Notwithstanding section 3(b) of the Wild and Scenic Rivers Act (16 U.S.C. 1274(b)) and subject to paragraph (2), in the case of a segment that is designated as a component of the National Wild and Scenic Rivers System in the State on or after the date of enactment of this Act, the boundaries shall include an average of 640 acres of land per mile measured from the ordinary high water mark on both sides of the river. (2) Limitations (A) Existing components The requirement under paragraph (1) shall not apply to any segment of a component of the National Wild and Scenic Rivers System in the State that was designated before the date of enactment of this Act. (B) Adjustments Any adjustment or addition to a segment in the State that was designated as a component of the National Wild and Scenic Rivers System before the date of enactment of this Act shall not affect the applicable management boundary in effect before that date of enactment. (b) Comprehensive mineral withdrawal within the State of Oregon Subject to valid existing rights, the Federal land within the boundaries of a component of the National Wild and Scenic Rivers System in the State is withdrawn from all forms of— (1) entry, appropriation, or disposal under the public land laws; (2) location, entry, and patent under the mining laws; and (3) disposition under all laws relating to mineral and geothermal leasing or mineral materials.