; and (2) use the resources and expertise of each agency in improving the management and recreational opportunities within the recreation area. (c) Membership The members of the partnership shall include the following: (1) The Secretary, or a designee of the Secretary, to represent the National Park Service and Bureau of Land Management. (2) The Secretary of Defense, or a designee of the Secretary, to represent the Army Corps of Engineers. (3) The Secretary of Agriculture, or a designee of the Secretary, to represent the Forest Service. (4) The Secretary of the State Natural Resources Agency, or a designee of the Secretary, to represent the California Department of Parks and Recreation and the Rivers and Mountains Conservancy. (5) A designee of the Los Angeles County Board of Supervisors. (6) A designee of the Puente Hills Habitat Preservation Authority. (7) Four designees of the San Gabriel Council of Governments, one of whom is to be elected from a local land conservancy. (8) One designee of the San Bernardino Associated Governments. (9) A designee of the San Gabriel Valley Economic Partnership. (10) A designee of the Los Angeles County Flood Control District. (11) A designee of the San Gabriel Valley Water Association. (12) A designee of the Central Basin Water Association. (13) A designee of the Six Basins Watermaster. (14) A designee of a public utility company, to be appointed by the Secretary. (15) A designee of the Watershed Conservation Authority. (16) A designee of the public advisory council so long as the public advisory council remains in effect. (17) One designee of San Gabriel Mountains National Monument Community. (d) Duties To further the purposes described in section 102(a), and in a manner consistent with such purposes, the partnership shall— (1) make recommendations to the Secretary on the development and implementation of the management plan; (2) review and comment on the visitor services plan required by section 108