Chapter 13 - MISSISSIPPI RIVER COMMISSION
- Section 641 - Creation of Mississippi River Commission
- Section 642 - Appointment of commissioners; vacancies; chairman; tenure of office
- Section 642a - Rank, pay, and allowances of Corps of Engineers officers serving as President of Mississippi River Commission
- Section 643 - Omitted
- Section 644 - Secretary of commission
- Section 645 - Repealed
- Section 646 - Headquarters and meetings of commission
- Section 647 - Mississippi River survey
- Section 648 - Arkansas River; levee and bank protection
- Section 649 - Vicksburg Harbor and Ohio River below Cache River
- Section 650 - Mississippi River below Rock Island; levee and bank protection
- Section 651 - Tributaries of Mississippi River below Cairo; levee and bank protection
- Section 652 - Upper Mississippi River Management
- Section 653 - Extension of jurisdiction of Mississippi River Commission
- Section 653a - Extension of jurisdiction of Mississippi River Commission