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(CNN) - Voters in 11 rural counties in northern Colorado will go the polls Tuesday to decide whether they want to continue living in the 137-year-old state or break off and form their own.
Even if a majority of voters in the referendum approve secession, breaking away would be a daunting, perhaps nigh-on-impossible path. A new state would require approval first in the Colorado legislature and then from the U.S. Congress, as laid out by Article IV, Section 3 of the Constitution.