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Image of a red dye study conducted near Joliet, Illinois, in 2015.

By Communications and Publishing
Image of a red dye study conducted in the Brandon Road Lock on the Des Plaines River near Joliet, Illinois, in 2015.
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Detailed Description

Image of a red dye study conducted in the Brandon Road Lock on the Des Plaines River near Joliet, Illinois, in 2015. The upcoming study near Pleasant Valley, Iowa is anticipated to look similar.

Sources/Usage

Public Domain.