Polluted Stream in Dubuque, Iowa, April 1940

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Courtesy of Library of Congress, Vachon, John, "Stream pollution, Dubuque, Iowa," April 1940

Description 

This photograph from 1940 shows a polluted stream in Dubuque, Iowa. Dubuque's main industry was manufacturing, and these large companies lacked proper waste disposal in the city in the 1940s.

Source-Dependent Questions

• What items are in the stream? Why would people dump items like this in a stream?
• How will this pollution affect the stream? How will this pollution affect humans and animals?

Citation Information 

Vachon, John, "Stream pollution, Dubuque, Iowa," April 1940. Courtesy of Library of Congress