§ 1. Regulations by Secretary of the Army for navigation of waters generally
§ 2. Regulations for navigation of South and Southwest Passes of Mississippi River; penalties
§ 3. Regulations to prevent injuries from target practice
§ 4. Water gauges on Mississippi River and tributaries
§ 5. Abolition of tolls on Government canals, canalized rivers, etc.; expense of operation, repairs to and reconstruction of canals, etc.; Panama Canal excepted; levies by non-Federal interest
§ 6. Free passage to harbor of Michigan City, Indiana