Versions of U.S. Code > Title 33 > Chapter 9 - Protection of Navigable Waters and of Harbor and River Improvements Generally on LawServer 2024 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2023 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2022 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2021 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2020 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2018 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2017 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2015 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2014 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2013 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2012 U.S. Code > Title 33 > Chapter 9 – Protection of Navigable Waters and of Harbor and River Improvements Generally 2010 U.S. Code > Title 33 > Chapter 9 – Protection Of Navigable Waters And Of Harbor And River Improvements Generally