Description: Clear Creek County Boundary, last updated 2017. In 2014, County Surveyor re-surveyed a portion of the Clear Creek-Gilpin County line from corner number 72 through 187. In 2015, County Surveyor surveyed from 188 to the intersection of Jefferson/Gilpin/Clear Creek. In 2016, County Surveyor re-surveyed corners 1-71, this information was used to update the Gilpin/Clear Creek portion in 2017.The Clear Creek / JeffCo boundary was last updated around September of 2014 to match the two existing monuments surveyed in by County Surveyor Markle.