; chapter 85), consisting of the navigation channel within the Menomonee River that extends from the 16th Street Bridge upstream to the upper limit of the authorized navigation channel and described as follows is no longer authorized beginning on the date of enactment of this Act: (1) Beginning at a point in the channel just downstream of the 16th Street Bridge, N383219.703, E2521152.527. (2) Thence running westerly along the channel about 2,530.2 feet to a point, N383161.314, E2518620.712. (3) Thence running westerly by southwesterly along the channel about 591.7 feet to a point at the upstream limit of the existing project, N383080.126, E2518036.371. (4) Thence running northerly along the upstream limit of the existing project about 80.5 feet to a point, N383159.359, E2518025.363. (5) Thence running easterly by northeasterly along the channel about 551.2 feet to a point, N383235.185, E2518571.108. (6) Thence running easterly along the channel about 2,578.9 feet to a point, N383294.677, E2521150.798. (7) Thence running southerly across the channel about 74.3 feet to the point of origin. 305. Bridgeport Harbor, Connecticut That portion of the project for navigation, Bridgeport Harbor, Connecticut, authorized by the Act of June 18, 1878 (20 Stat. 158), and modified by the Act of August 11, 1888 (25 Stat. 401), the Act of March 3, 1899 (30 Stat. 1122), the Act of June 25, 1910 (36 Stat. 633), and the Act of July 3, 1930 (46 Stat. 919), and lying upstream of a line commencing at point N627942.09, E879709.18 thence running southwesterly about 125 feet to a point N627832.03, E879649.91 is no longer authorized beginning on the date of enactment of this Act. 306. Conveyances (a) Cheatham County, Tennessee (1) Conveyance authorized The Secretary of the Army may convey to Cheatham County, Tennessee (in this subsection referred to as the Grantee ), all right, title, and interest of the United States in and to the real property in Cheatham County, Tennessee, consisting of approximately 9.19 acres, identified as portions of