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ST. PAUL, Minn. (AP) - Gov. Mark Dayton has issued an emergency order to help stranded motorists caught in Minnesota’s cold wave.

Dayton declared a state of emergency Monday. He called on Minnesota’s adjutant general to activate any military personnel needed to help motorists.

Dayton noted that a winter storm caused white-out conditions and dangerous wind chills Sunday in central and southern Minnesota.

He says several sheriffs asked for help from the Minnesota National Guard to recover and shelter stranded motorists.

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Court: Minn. mine expansion doesn’t need new study

ST. PAUL, Minn. (AP) - The Minnesota Court of Appeals says one of the state’s largest taconite mines does not need a new environmental study to expand and keep operating for another 16 years.

The Star Tribune (http://strib.mn/1i5rYTj) reports a three-judge panel ruled Monday that a lengthy environmental impact study is not needed for U.S. Steel to add 483 acres to its Minntac iron ore mine.

The mine and its processing plant began operating in 1967 and have expanded twice before. The latest proposal would allow the mine to expand again and maintain its current rate of production until 2031 instead of closing in 2015.

The Department of Natural Resources said last April a longer environmental impact statement was not necessary.

An environmental group argued a more comprehensive study was needed to protect nearby waterways.