More information on the cities of Boulder County...

Boulder County http://www.bouldercounty.org/pages/default.aspx

Boulder, CO  https://bouldercolorado.gov

City and County of Broomfield http://www.ci.broomfield.co.us

Erie, CO http://www.erieco.gov

Lafayette, CO http://www.cityoflafayette.com

Longmont, CO http://longmontcolorado.gov

Louisville, CO http://www.louisvilleco.gov

Lyons, CO http://www.lyons-colorado.com

Superior, CO http://superiorcolorado.gov

Boulder History Timeline: http://bcn.boulder.co.us/basin/history/timeline.html