33 USC § 553
Freight statistics
through Public Law 118-10
In the collection of statistics relating to traffic, the Corps of Engineers is directed to adopt a uniform system of classification for freight, and upon rivers or inland waterways to collate ton-mileage statistics as far as practicable.
Editorial Notes
Codification
Section is from part of section 1 of act July 25, 1912, popularly known as the "Rivers and Harbors Appropriation Act of 1912".