Chapter 12 - RIVER AND HARBOR IMPROVEMENTS GENERALLY
- Subchapter I - GENERAL PROVISIONS (§§ 540 — 579f)
- Subchapter II - PAY AND ALLOWANCES; TRAVELING EXPENSES AND SUBSISTENCE (§§ 581 — 585)
- Subchapter III - ACQUISITION OF LAND AND MATERIALS (§§ 591 — 598a)
- Subchapter IV - PARTICULAR WORK OR IMPROVEMENTS (§§ 601 — 610)
- Subchapter V - PROSECUTION OF WORK GENERALLY (§§ 621 — 635)