Subchapter V. PROSECUTION OF WORK GENERALLY
- § 621 - By what methods river and harbor work may be authorized to be prosecuted
 - § 622 - Contracts, etc., with private industry for implementation of projects for improvements and dredging; reduction of federally owned fleet
 - § 623 - Repealed.
 - § 624 - Limitation on improvement work by private contract
 - § 625 - Repealed.
 - § 626 - Prosecution of work when appropriation insufficient
 - § 627 - Application of appropriation when separate works are included therein
 - § 628 - Expenditure for dredging within harbor lines
 - § 629 - Contract for hire of dredging plant
 - § 630 - Limitation on expenditure for purchase of dredges
 - § 631 - Transfer of property between projects
 - § 632 - Omitted
 - § 633 - Protection, alteration, reconstruction, relocation, or replacement of structures and facilities; contract standards; reasonable costs
 - § 634 - Assistance relating to water supply
 - § 635 - Coast Guard anchorages
 
