C.R.S. § 30-5-133: Jefferson.

Jefferson county is hereby bounded as follows:

Except for those portions that became part of the city and county of Broomfield on November 15, 2001, in accordance with sections 10 to 13 of article XX of the state constitution, commencing at a point where the township line between townships one and two south intersects the range line between ranges sixty-eight and sixty-nine; thence due west twenty miles; thence due south to the junction of North and South Clear creeks; thence south to the Platte river; thence down the center of said Platte river to the point where said river intersects the first correction line; thence west to the range line between ranges sixty-eight and sixty-nine; thence north to the place of beginning.