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Adams County

  • Adams County

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    Adams County, located just north of Denver, is home to more than 440,000 Coloradans.
    Adams County
  • Adams County on Google Map

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    Adams County is the fifth-most populous of the 64 counties of the U.S. state of Colorado.  The county seat is Brighton. The county is named for Alva Adams, Governor of the State of Colorado. Population: 469,193 (2013) County seat: Brighton Area: 3,066 km²
    Adams County on Google Map
  • Alva Adams

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    Adams County was named for Alva Adams, the fifth, tenth, and fourteenth governor of Colorado.  
    Alva Adams
  • Rocky Mountain Arsenal

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    This photo shows the South Plants of the Rocky Mountain Arsenal chemical complex, about ten miles northeast of Denver, in 1970. The US Army built the facility in 1942 to manufacture chemical weapons; in 1952, Shell Oil began leasing the south plants to  manufacturers of fertilizers and pesticides.
    Rocky Mountain Arsenal
  • Beet Inspector in Brighton, 1939

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    A worker inspects washed beets at the Great Western Sugar Factory in Brighton in 1939. The factory operated from 1917 to 1977.
    Beet Inspector in Brighton, 1939
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“Adams County,” Colorado County Histories Notebook (Denver: History Colorado, 1989–1999).

Adams County, Colorado.

Randy Alfred, "July 22, 1952: Genuine Crop-Circle Marker Patented," Wired, July 22, 2008.

Arvada Historical Society.

 “Brighton, Colorado: The Quasquicentennial Book,” Gateway News, 2012.

Brighton Sugar Factory (1917–1977),” Longmontian, January 14, 2011.

Bruce Finley, “Suncor working to expel cancer-causing benzene from under Denver-area refinery,” Denver Post, March 1, 2012.

Bruce Finley, “Suncor refinery in Commerce City to pay for air-pollution violations,” Denver Post, April 3, 2012.

Bruce Finley, “Remedies not stopping water pollution at Commerce City refinery,” Denver Post, May 2, 2012.

Matthew Greene, “The Rocky Mountain Arsenal: States’ Rights and the Cleanup of Hazardous Waste,” working paper, University of Colorado Conflict Research Consortium, Boulder, 1993.

Irving A. Lipson, et al., Colorado Counties 1963 (Colorado State Association of County Commissioners: Denver, 1963).

Megan Mitchell, “Adams County partners with SunShare for first community solar garden,” Denver Post, September 4, 2014.

Stadium Facts,” Dick’s Sporting Goods Park.

Elliot West, Contested Plains: Indians, Goldseekers, and the Rush to Colorado (Lawrence: University Press of Kansas, 1998).

Additional Information: 

City of Arvada

Colorado Rapids

Commerce City, Colorado

Candy Hamilton, Footprints in the Sugar: A History of the Great Western Sugar Company (Ontario, OR: Hamilton Bates, 2009).

EPA Superfund Program: Rocky Mountain Arsenal (US Army), Adams County, CO,” US Environmental Protection Agency, 2015.

“Rocky Mountain Arsenal,” Colorado Department of Public Health & Environment

Albin Wagner, Adams County, Colorado: A Centennial History, 1902–2002 (Virginia Beach: Donning Co. Publishers, 2002).