Figure 1-2 Total Tons Passing Through U.S. Locks by Major Commodity Groups, 1993–2006

Excel | CSV | Table Version

(Millions)

NOTES: 80 - All waste material, 90 - All Unknown or Not Elsewhere Classified, and 70 - All Manufactured Equipment & Machinery are too close to the x-axis to be seen.

SOURCE: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, Navigation Data Center, available at http://www.iwr.usace.army.mil/ndc as of April 2007.