Deauthorization— The portions of the project for navigation, Essex River, Massachusetts, authorized by the Act of July 13, 1892 (27 Stat. 88, chapter 158) and modified by the Act of March 3, 1899 (30 Stat. 1121, chapter 425) (commonly known as the Rivers and Harbors Appropriation Act of 1899) and the Act of March 2, 1907 (
Public Law 59–168), that do not lie within the areas described in subsection (b) are no longer authorized beginning on the date of enactment of this Act.