Provide feedback on this item
Please provide details, labels, or ideas that will help this image be more findable and better described.
Simplified sketch showing how a police blockade operates
This sketch map shows how a police blockade operates.
29 x 36.3 cm
- 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 (December 12, 1937), Graphic Section, p. 1