the United States National Park Service, and the Bureau of Reclamation, which comprise approximately 6,846 acres, as generally depicted on a map titled West Elk Addition Proposed Wilderness , dated June 15, 2018, are hereby designated as wilderness and, therefore, as components of the National Wilderness Preservation System and are hereby incorporated in and shall be deemed to be a part of the West Elk Wilderness designated by Public Law 88–577 . The boundary adjacent to Blue Mesa Reservoir shall be 50 feet landward from the water’s edge, and shall change according to the water level. (d) Blue mesa reservoir If the Bureau of Reclamation determines that lands within the West Elk Wilderness Addition are necessary for future expansion of the Blue Mesa Reservoir, the Secretary shall by publication of a revised boundary description in the Federal Register revise the boundary of the West Elk Wilderness Addition. (e) Maps and descriptions As soon as practicable after the date of enactment of the Act, the Secretary shall file a map and a boundary description of each area designated as wilderness by this section with the Committee on Natural Resources of the House of Representatives and the Committee on Energy and Natural Resources of the Senate. Each map and boundary description shall have the same force and effect as if included in this Act, except that the Secretary may correct clerical and typographical errors in the map or boundary description. The maps and boundary descriptions shall be on file and available for public inspection in the Office of the Director of the Bureau of Land Management, Department of the Interior, and in the Office of the Chief of the Forest Service, Department of Agriculture, as appropriate. (f) State and private lands Lands within the exterior boundaries of any wilderness area designated under this section that are owned by a private entity or by the State of Colorado, including lands administered by the Colorado State Land Board, shall be included within such wilderness area if such lands