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Midwest is forced off Main Street : map shows American trade routes affected by Panama Canal
Map shows American trade routes affected by the completion of the Panama Canal.
18.7 x 21.1 cm
black and white
- still image
- These materials are either in the public domain, according to U.S. copyright law, or permission has been obtained from rights owners. The digital version and supplementary materials are available for all educational uses worldwide.
- The Janet A. Ginsburg Chicago Tribune Image Collection
- Chicago Sunday Tribune (August 8, 1937), p. 4