Bloomberg News – http://www.bloomberg.com/?b=0&Intro=intro3

Bureau of Labor Statistics – http://www.bls.gov/bls/newsrels.htm#major

Colorado Unemployment – http://www.deptofnumbers.com/unemployment/colorado/

Crude Oil Prices – http://www.oil-price.net/

Bureau of Economic Analysis – http://www.bea.gov/newsreleases/national/gdp/gdpnewsrelease.htm

Metal Prices – http://www.metalprices.com/p/CopperFreeChart/

Metro Denver Economic Development – http://www.metrodenver.org/

Sentier Research – http://www.sentierresearch.com/

U.S. Information Administration – http://www.eia.gov/naturalgas/weekly/#tabs-prices-1