Jefferson (Mountain state)

'''Jefferson''' was a proposed American state in the [[Southern Rocky Mountains]]. On September 24, 1859, voters defeated the formation of this proposed State. On October 24, 1859, voters instead approved the formation of the [[Jefferson Territory]], which was superseded by the [[Colorado Territory]] on February 28, 1861. == See also == * [[Jefferson (Pacific state)]] * [[Jefferson (South state)]] {{coord missing|Colorado}}