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jefferson county historical society

Jefferson County

Added by yongli on 03/31/2017 - 16:35, last changed on 12/02/2019 - 01:07

Jefferson County

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Jefferson County, commonly referred to as “Jeffco,” is named after former president Thomas Jefferson and covers 774 square miles in central Colorado west of Denver. Jeffco is bordered to the north by Boulder and Broomfield Counties, to the east by Adams , Denver , Arapahoe , and Douglas Counties,...
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