Policymakers see St. Anthony Falls as line in sand in fight against Asian carp

State and federal officials are pushing a bill in Congress that would close the lock and dam at St. Anthony Falls if the invasive fish is found nearby. They say if Asian carp get any farther up the Mississippi River, they would threaten Minnesota's $11 billion tourism industry.
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State and federal officials are pushing a bill in Congress that would close the lock and dam at St. Anthony Falls if the invasive fish is found nearby. They say if Asian carp get any farther up the Mississippi River, they would threaten Minnesota's $11 billion tourism industry.

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Bill in Washington would close St. Anthony Falls lock if Asian carp are found

The Army Corps of Engineers wants authority to close the lock and dam at Minneapolis' St. Anthony Falls at a moment's notice if invasive carp are found nearby. Supporters of the idea include the Minnesota DNR and Sen. Amy Klobuchar, who say stopping the migration of Asian carp up the Mississippi is needed to protect northern Minnesota waters.

Supreme Court won't close locks to keep carp out of Great Lakes

The Associated Press reports the U.S. Supreme Court on Monday refused to hear an appeal filed by Minnesota and other Great Lakes states. The states asked the court to order the closure of shipping locks in the Chicago area to prevent the invasive Asian carp from spreading farther north.

Asian carp may infiltrate Minnesota from northwestern Iowa

State officials on the lookout for Asian carp have been monitoring the Mississippi River. But there are new fears that the invasive species may use another gateway to Minnesota. Anglers in northwestern Iowa have caught dozens of the carp in waters that connect through streams and lakes to southern Minnesota.

Threat of Asian carp divides Great Lakes states

The New York Times looks at how the invasive species is sometimes pitting neighbors against one another. For example, some states are pursuing legal action to build a barrier cutting off the Mississippi River from the Great Lakes, but Illinois is fighting back, saying that would leave Chicago unable to control floods and interfere with shipping.