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The rusty crayfish was out of its native range Ohio River drainage, Wisconsin in the 1960's.then invaded 21 states.
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The Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 was established as a federal program to prevent the introduction of, and to control the spread of, unintentionally introduced aquatic nuisance species.
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The rusty crayfish is out damaging other states like New England and Eastern U.S.