Calumet Harbor
, artificial harbor on L. Michigan, at the mouth
of the Calumet R., Cook co., NE Ill., in S Chicago; 41°43'N
87°31'W. The harbor, dredged to 27 ft/8 m,
is formed behind a breakwater extending
c.2 mi/3.2 km into L. Michigan. It is a unit
of the Port of Chicago and a principal terminal for shipping on the
Great Lakes and the St. Lawrence Seaway. The chief prods. handled there
were raw materials for steelmaking and iron prods., but the industry
has fundamentally declined. Calumet R.
(c.8 mi/13 km long) connects the harbor with
L. Calumet (c.2 sq mi/5 sq km)
in S Chicago. Once a shallow body of water with marshy shores, the lake
has been transformed into a modern deepwater port. Some heavy industry,
grain-storage bins, and warehouses surround it. Canals connect the lake
with the Calumet region of Indiana and with the Chicago Sanitary and
Ship Canal.
Capital city or county seat is shown by the symbol
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