Consent is given, in accordance with the seventeenth clause of the eighth section of the first article of the Constitution of the United States, to the acquisition by the United States by purchase, condemnation, or otherwise, of any land or interests in land within this state required for use in connection with the construction, maintenance, and operation of the following projects: (a) Bethlehem Junction Reservoir on the Ammonoosuc River, providing a storage for approximately 6 inches of run-off over the drainage area; (b) Surry Mountain Reservoir on the Ashuelot River, providing storage for approximately 6 inches of run-off over the drainage area; (c) Blackwater Reservoir on the Blackwater River, providing storage for approximately 6.9 inches of run-off over the drainage area; (d) Franklin Falls Reservoir on the Pemigewasset River, providing storage for approximately 3.2 inches of run-off over the drainage area; authorized by Congress for the benefit of navigation and the control of destructive flood waters in the Connecticut River and Merrimack River basins; provided, however, that the state shall retain concurrent jurisdiction with the United States in and over any such lands to the extent that all civil and criminal processes issued under authority of the state may be executed thereon in the same way and manner as if this consent had not been given, and that exclusive jurisdiction shall revert to and revest in the state whenever such lands or interests in land shall cease to be the property of the United States; provided further, however, a suitable plan of every tract of land or interest in land so acquired has been or shall be filed in the office of the secretary of state within one year after the acquisition thereof.