Table 3-12: Domestic Waterborne Shipments Originating in Michigan by Commodity: 2000

Table 3-12: Domestic Waterborne Shipments Originating in Michigan by Commodity: 2000

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Commodity Short tons Percent of total
Total 43,106,994 100.0
Sand, gravel, shells, clay, salt, and slag 23,948,542 55.6
Iron ore, iron, and steel waste and scrap 10,289,121 23.9
Primary nonmetal products 3,592,845 8.3
Petroleum products 216,492 0.5
Manufactured goods 37,113 <0.1
Unknown and not elsewhere classified products2 5,022,881 11.7

1 "Domestic" includes intrastate shipments.

2 To protect confidentiality, if three or more vessel operating companies do not carry a particular commodity from a state of origin to a state of destination, then that commodity is reclassified to "unknown and not elsewhere classified products."

SOURCE FOR DATA ON THIS PAGE: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, State to State and Region to Region Commodity Tonnages, Public Domain database, available at http://www.iwr.usace.army.mil/ as of Oct. 30, 2001.