Act of July 23, 1942, referred to in subsec. (a), is act July 23, 1942, ch. 520, 56 Stat. 703. See National Defense Pipe Lines note set out preceding section 715 of Title 15, Commerce and Trade.

1992—Subsecs. (f), (g). Pub. L. 102–580 added subsec. (f) and redesignated former subsec. (f) as (g).

1990—Pub. L. 101–640 amended section generally. Prior to amendment, section consisted of subsecs. (a) to (i) which established the Cross Florida National Conservation Area, designated to it lands held for high-level barge canal project, required that certain portions of the barge canal project be operated and maintained for navigation, recreation, and fish and wildlife enhancement and for economic benefit of the region, provided for State of Florida to retain jurisdiction and responsibility over water resources planning, development, and control of surface and ground waters, required the Secretary to develop comprehensive management plan, directed operation of Rodman Dam to assure continuation of Lake Ocklawaha reservoir, required acquisition of lands held by Florida Canal Authority for barge canal project and lands held by State of Florida or Canal Authority which were acquired pursuant to section 104 of the River and Harbor Act of 1960, and set forth conditions for effectiveness of certain provisions.