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Smoke from several large prairie fires in Saskatchewan, Canada, is visible in this image from the Moderate Resolution Imaging Spectroradiometer (MODIS) on June 15, 2002.
Image courtesy Liam Gumley, Space Science and Engineering Center , University of Wisconsin-Madison
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Canadian wildfires sent plumes of smoke streaming over Ontario, Quebec, and parts of the U.S. Midwest and Northeast.
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