Existing rights and withdrawal

(a) In general In accordance with section 12(b) of the Wild and Scenic Rivers Act (16 U.S.C. 1283(b)), nothing in this Act or the amendment made by section 3(a) affects or abrogates existing rights, privileges, or contracts held by private parties, nor does this Act in any way modify or direct the management, acquisition, or disposition of land managed by the Washington Department of Natural Resources on behalf of the State of Washington. (b) Withdrawal Subject to valid existing rights, the Federal land within the boundaries of the river segments designated by this Act and the amendment made by section 3(a) is withdrawn from all forms of— (1) entry, appropriation, or disposal under the public land laws; (2) location, entry, and patent under the mining laws; and (3) disposition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.