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INTERACTIVE GRAPHIC: The spread of asian carp, 1972 to 2012
- Graphic by: RAYMOND GRUMNEY
- Updated: June 28, 2012 - 10:59 AM
Explore the spread of Bighead and Silver carp though the Mississippi River valley. The data is collected by the the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey.
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Star Tribune graphic by RAYMOND GRUMNEY
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