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(Top) 1 General reference 2 Geography of Colorado 2.1 Places in Colorado 2.2 Environment of Colorado 2.2.1 Natural geographic features of Colorado 2.2.2 Man-made geographic features of Colorado 2.3 Regions of Colorado 2.3.1 Administrative divisions of Colorado 2.4 Demography of Colorado 3 Government and politics of Colorado 3.1 Federal government in Colorado 3.1.1 Military in Colorado 3.2 State government of Colorado 3.2.1 Executive branch of the government of Colorado 3.2.2 Legislative branch of the government of Colorado 3.2.3 Judicial branch of the government of Colorado 3.3 Law and order in Colorado 3.4 Local government in Colorado 3.5 Elections and politics in Colorado 4 History of Colorado 4.1 History of Colorado, by period 4.2 History of Colorado, by region 4.2.1 State 4.2.2 Regions 4.2.3 Counties 4.2.4 Places 4.3 History of Colorado, by subject 5 Culture of Colorado 5.1 The arts in Colorado 5.2 Sports in Colorado 6 Economy and infrastructure of Colorado 7 Education in Colorado 8 See also 9 References 10 External links

Outline of Colorado

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The Flag of the State of Colorado

The Great Seal of the State of Colorado

The location of the State of Colorado in the United States of America

The following outline is provided as an overview of and topical guide to the U.S. state of Colorado:

Colorado – 22nd most populous, the eighth most extensive, and the highest in average elevation of the 50 United States. Colorado is one of the western Mountain States. The 30 highest major summits of the Rocky Mountains all rise within Colorado. The Territory of Colorado joined the Union as the 38th state on August 1, 1876.

General reference[edit]

An enlargeable map of the state of Colorado

Names
- Common name: Colorado
  - Pronunciation: /kɒləˈrædoʊ/ ^ⓘ
- Official name: State of Colorado
- Abbreviations and name codes
  - Postal symbol: CO
  - ISO 3166-2 code: US-CO
  - Internet second-level domain: .co.us
- Nicknames
  - Buffalo Plains State^[1] (in disuse)
  - Centennial State^[2] (previously used on license plates)
  - Colorful Colorado^[2] (previously used on license plates)
  - Columbine State^[3]
  - Highest State^[1]
  - Lead State^[1] (in disuse)
  - Mother of Rivers^[4]
  - Rocky Mountain Empire
  - Rocky Mountain State^[5]
  - Silver State^[1] (in disuse; see Nevada)
  - Switzerland of America^[6]
Adjectival: Colorado
Demonyms
- Coloradan
- Coloradoan (archaic)

Geography of Colorado[edit]

An enlargeable digital elevation map of the state of Colorado

Geography of Colorado

Colorado is: a U.S. state, a federal state of the United States of America
Location
- Northern Hemisphere
- Western Hemisphere
  - Americas
    - North America
      - Anglo America
      - Northern America
        
        United States of America
        
        Contiguous United States
        
        Western United States
        
        Mountain states
        
        Southwestern United States
Population of Colorado: 5,029,196 (2010 U.S. Census^[7])
Population density of Colorado: 18.39 km⁻² (estimate for 2008)
Area of Colorado: 268,657.7 km²
Atlas of Colorado

Places in Colorado[edit]

List of places in Colorado

Environment of Colorado[edit]

Climate of Colorado
Protected areas in Colorado
- State forests of Colorado
Superfund sites in Colorado
Wildlife of Colorado
- Fauna of Colorado
  - Birds of Colorado
  - Mammals of Colorado
  - Reptiles
    - Snakes of Colorado

Natural geographic features of Colorado[edit]

A satellite image of the Rocky Mountains in the state of Colorado.

List of lakes in Colorado
List of mountains of Colorado
- Mountain ranges of Colorado
- Mountain peaks of Colorado
  - The 100 highest major summits of Colorado
    - The 55 major 4000 meter summits of Colorado – major peaks over 13,123.4 feet elevation
    - The 51 Colorado fourteeners – peaks over 14,000 feet elevation
  - The 50 most prominent summits of Colorado
  - The 40 most isolated major summits of Colorado
- Mountain passes of Colorado
List of rivers of Colorado
- Drainage basins of Colorado
National Natural Landmarks in Colorado

Man-made geographic features of Colorado[edit]

List of dams and reservoirs in Colorado

Regions of Colorado[edit]

Central Colorado
- South-Central Colorado
Colorado Eastern Plains
Colorado Mineral Belt
Colorado Piedmont
Colorado Plateau
Colorado Western Slope
Front Range Urban Corridor
Grand Valley
High Plains
High Rockies
Northern Colorado
Roaring Fork Valley
Rocky Mountains
- Southern Rocky Mountains
  - Elk Mountains
    - Ruby Range
    - West Elk Mountains
  - Flat Tops
  - Front Range
  - Gore Range
  - Grand Mesa
  - Laramie Mountains
    Mount Elbert in the Sawatch RangeofColorado is the highest peak of the Rocky Mountains of North America
  - Massifs (large mountain masses)
    - Mount Elbert Massif^[8] – highest summit of the Rocky Mountains
    - Mount Massive Massif^[9] – second highest summit of the Rocky Mountains
    - Sierra Blanca Massif^[10] – fifth highest summit of the Rocky Mountains
    - Longs Peak Massif^[11] – 13th highest major summit of the Rocky Mountains
    - Pikes Peak Massif^[12] – 20th highest major summit of the Rocky Mountains
  - Medicine Bow Mountains
  - Mosquito Range
    - Tenmile Range
  - Park Range
    - Elkhead Mountains
  - Parks (large mountain basins)
    South Park
  - Rabbit Ears Range
  - Raton Mesa
  - San Juan Mountains
  - Sangre de Cristo Mountains
  - Sawatch Range
  - Uncompaghre Plateau
  - White River Plateau
- Western Rocky Mountains
  - Uinta Mountains
- Colorado Plateau
  - Ute Mountain
Western Colorado
- Northwestern Colorado
- Southwestern Colorado

Administrative divisions of Colorado[edit]

An enlargeable map of the 64 counties of the state of Colorado

The 64 counties of the state of Colorado
There are no township governments in the state of Colorado.

Demography of Colorado[edit]

Demographics of Colorado

Government and politics of Colorado[edit]

Politics of Colorado

Federal government in Colorado[edit]

United States congressional delegations from Colorado
- List of United States senators from Colorado
  - U.S. Senate Class II
    - John Hickenlooper
  - U.S. Senate Class III
    - Michael Bennet
- List of United States representatives from Colorado
  - Congressional districts of the State of Colorado

Military in Colorado[edit]

History of Colorado[edit]

History of Colorado

History of Colorado, by period[edit]

Timeline of Colorado history

The location of the state of Colorado in the United States of America

An enlargeable map of the state of Colorado

An enlargeable map of the 64 counties of the state of Colorado

Prehistory of Colorado
- Indigenous peoples
Spanish colony of Santa Fé de Nuevo Méjico, 1598–1821
- Domínguez–Escalante expedition, 1776
- Spanish cavalry arrests U.S. Army Pike ExpeditioninSan Luis Valley, 1807
- Adams–Onís Treaty of 1819
- Treaty of Córdoba of 1821
French colony of Louisiane east of Continental Divide and San Luis Valley, 1699–1764
- Treaty of Fontainebleau of 1762
Spanish (though predominantly Francophone) district of Alta Luisiana east of Continental Divide and San Luis Valley, 1764–1803
- Third Treaty of San Ildefonso of 1800
French district of Haute-Louisiane east of Continental Divide and San Luis Valley, 1803
- Louisiana Purchase of 1803
Unorganized U.S. territory created by the Louisiana Purchase east of Continental Divide and San Luis Valley, 1803–1804
District of Louisiana east of Continental Divide and San Luis Valley, 1804–1805
Territory of Louisiana east of Continental Divide and San Luis Valley, 1805–1812
- U.S. Army Pike Expedition, 1806–1807
Territory of Missouri east of Continental Divide and San Luis Valley, 1812–1821
Mexican territory of Santa Fé de Nuevo México south or west of Arkansas River, 1821–1846
Unorganized U.S. territory north and east of Arkansas River, 1821–1854
- Santa Fe Trail, 1821–1880
- Bent's Old Fort, 1833–1849
- Treaty of Fort Laramie of 1851
- Territorial claims of the Republic of Texas between the Arkansas River and the Rio Grande and extending north between 106°10'42"W and 107°23'33"W, 1836–1845
Mexican–American War, April 25, 1846 – February 2, 1848
- Treaty of Guadalupe Hidalgo, February 2, 1848
State of Deseret (extralegal), 1849–1850
Territory of New Mexico (1850–1861)–1912
- Hispanic settlers from Taos found village of San Luis in the San Luis Valley, April 9, 1851
Territory of Utah (1850–1861)–1896
Territory of Kansas, 1854–1861
Territory of Nebraska (1854–1861)–1867
Pike's Peak Gold Rush, 1858–1861
Territory of Jefferson (extralegal), 1859–1861
- Pony Express, 1860–1861
Territory of Colorado, 1861–1876
- American Civil War, April 12, 1861 – May 13, 1865
  - Colorado in the American Civil War
  - Battle of Glorieta Pass, March 26–28, 1862
- Colorado War, 1863–1865
  - Sand Creek massacre, November 29, 1864
- Union Pacific Railroad arrives at Julesburg on June 24, 1867
- Comanche Campaign, 1868–1874
  - Battle of Beecher Island, 1868
- Powell Geographic Expedition of 1869
- Denver Pacific Railway arrives at Denver on June 24, 1870
- Kansas Pacific Railway arrives at Denver on August 15, 1870
- Denver and Rio Grande Railroad arrives at Pueblo on June 15, 1872
- Hayden Survey of Colorado, 1873–1876
State of Colorado becomes 38th state admitted to the United States of America on August 1, 1876
- Colorado Silver Boom, 1879–1893
- Alpine Tunnel on the Denver, South Park and Pacific Railroad opened to rail traffic on July 13, 1882
- Denver and Rio Grande Railroad arrives at Silverton on July 15, 1882
- Collapse of Colorado mining, 1893–1917
  - Panic of 1893
  - Sherman Silver Purchase Act repealed on November 1, 1893
  - Colorado (male) voters approve suffrage for women on November 7, 1893
- Colorado Labor Wars, labor dispute, 1903–1904
- Mesa Verde National Park established on June 29, 1906
- Democratic National ConventioninDenver nominates William Jennings Bryan for President of the United States, July 9, 1908
- Ludlow Massacre, labor dispute, April 20, 1914
- Rocky Mountain National Park established on January 26, 1915
- Columbine Mine massacre, labor dispute, November 21, 1927
- Moffat Tunnel on the Denver and Salt Lake Railroad opens to rail traffic on February 26, 1928
  - First ski lift in Colorado opens at Berthoud Pass on February 7, 1937
- Lowry Field, 1938–1994
- Winter Park Ski Area opens December 1939
- World War II, September 1, 1939 – September 2, 1945
  - United States enters Second World War on December 8, 1941
  - Fort Carson, since January 31, 1942
  - Rocky Mountain Arsenal, June 30, 1942 – October 9, 1992
  - Pueblo Chemical Depot, since 1942
  - Granada War Relocation Center, August 1942 – October 15, 1945
  - Rocky Flats Plant, 1952–1992
- Aspen Mountain Ski Area opens on December 14, 1946
- United States Air Force Academy dedicated July 11, 1955
- Bent's Old Fort National Historic Site designated on June 3, 1960
- Colorado voters reject the XII Olympic Winter Games on November 7, 1972
- Mesa Verde National Park designated a UNESCO World Heritage Site on September 8, 1978
- Denver International Airport opens February 28, 1995
- Group of Eight meets in Denver on June 20–22, 1997
- Black Canyon of the Gunnison National Park designated on October 21, 1999
- Great Sand Dunes National Park and Preserve designated on September 13, 2004
- Sand Creek Massacre National Historic Site designated on April 27, 2007
- Democratic National ConventioninDenver nominates Barack Obama for President of the United States, August 27, 2008

History of Colorado, by region[edit]

State[edit]

History of Colorado
- A brief history of Colorado
- History of Santa Fé de Nuevo Méjico, Nueva España, 1598–1821
- History of La Louisiane, Nouvelle-France 1682–1764
- History of Luisiana, Nueva España, 1764–1803
- History of La Louisiane 1803–1803
- History of the Louisiana Purchase, 1803–1804
- History of the District of Louisiana, 1804–1805
- History of the Territory of Louisiana, 1805–1812
- History of the Territory of Missouri, 1812–1821
- History of Santa Fe de Nuevo México, México, 1821–1850
- History of the extralegal Territory of Deseret, 1849–1850
- History of the Territory of New Mexico 1850–(1861)
- History of the Territory of Utah 1850–(1861)
- History of the Territory of Kansas 1854–1861
- History of the Territory of Nebraska 1854–(1861)
- History of the extralegal Territory of Jefferson 1859–1861
  - History of the Governor of the Territory of Jefferson
- History of the Territory of Colorado 1861–1876
  - History of the Governors of the Territory of Colorado
- History of the State of Colorado 1876–
  - History of the Governors of the State of Colorado

Regions[edit]

Counties[edit]

History of the counties of Colorado
History of Adams County, Colorado
History of Alamosa County, Colorado
History of Arapahoe County, Colorado
History of Arapahoe County, Kansas Territory 1855–1861
History of Archuleta County, Colorado
History of Arrappahoe County, Jefferson Territory 1859–1861
History of Baca County, Colorado
History of Beaver County, Utah Territory 1856–(1861)
History of Bent County, Colorado
History of Boulder County, Colorado
History of Broderick County, Kansas Territory 1859–1861
History of Carbonate County, Colorado 1879–1879
History of Chaffee County, Colorado
History of Cheyenne County, Jefferson Territory 1859–1861
History of Cheyenne County, Colorado
History of Clear Creek County, Colorado
History of Conejos County, Colorado
History of Costilla County, Colorado
History of Crowley County, Colorado
History of Custer County, Colorado
History of Delta County, Colorado
History of Dolores County, Colorado
History of Douglas County, Colorado
History of Eagle County, Colorado
History of El Paso County, Colorado
History of El Paso County, Jefferson Territory 1859–1861
History of El Paso County, Kansas Territory 1859–1861
History of Elbert County, Colorado
History of Fountain County, Jefferson Territory 1859–1861
History of Fremont County, Kansas Territory 1859–1861
History of Grand County, Colorado
History of Greenwood County, Colorado Territory 1870–1874
History of Green River County, Utah Territory 1852–1857 and 1859–(1861)
History of Guadalupe County, Colorado Territory 1861–1861
History of Heele County, Jefferson Territory 1859–1861
History of Iron County, Utah Territory 1852–(1861)
History of Jackson County, Colorado
History of Jackson County, Jefferson Territory 1859–1861
History of Jefferson County, Colorado
History of Jefferson County, Jefferson Territory 1859–1861
History of Kiowa County, Colorado
History of Kit Carson County, Colorado
History of Lake County, Colorado
History of Larimer County, Colorado
History of Larimer County, Colorado (book)
History of Moffat County, Colorado
History of Montana County, Kansas Territory 1859–1861
History of Montezuma County, Colorado
History of Mora County, New Mexico Territory 1860–(1861)
History of Mountain County, Jefferson Territory 1859–1861
History of North County, Jefferson Territory 1859–1861
History of Oro County, Kansas Territory 1859–1861
History of Ouray County, Colorado
History of Park County, Jefferson Territory 1859–1861
History of Peketon County, Kansas Territory 1859–1861
History of Platte County, Colorado Territory 1872–1874
History of Routt County, Colorado
History of Saint Vrain County, Jefferson Territory 1859–1861
History of Great Salt Lake County, Utah Territory 1852–(1861)
History of San Juan County, Colorado
History of San Miguel County, Colorado
History of Sanpete County, Utah Territory 1852–(1861)
History of Saratoga County, Jefferson Territory 1859–1861
History of South Arapahoe County, Colorado 1902–1903
History of Summit County, Colorado
History of Taos County, New Mexico Territory 1852–(1861)
History of Teller County, Colorado
History of Uncompaghre County, Colorado 1883–1883
History of Utah County, Utah Territory 1852–(1861)
History of Washington County, Utah Territory 1852–(1861)
History of Weld County, Colorado

Places[edit]

History of Colorado, by subject[edit]

Culture of Colorado[edit]

Red Rocks Amphitheatre

Culture of Colorado

The arts in Colorado[edit]

Sports in Colorado[edit]

Sports in Colorado

Professional sports teams in Colorado

Economy and infrastructure of Colorado[edit]

Economy of Colorado

Communications in Colorado
- Newspapers in Colorado
- Radio stations in Colorado
- Telephone service in Colorado
  - Telephone Area Codes: 303, 719, 720, 970
- Television stations in Colorado
Energy in Colorado
Health care in Colorado
- Hospitals in Colorado
Mining in Colorado
Transportation in Colorado
- Airports in Colorado
- Roads in Colorado
Water in Colorado

Education in Colorado[edit]

Education in Colorado

Schools in Colorado

References[edit]

^ ^a ^b ^c ^d "Colorado". NetState.com. NState, LLC. Retrieved 2007-02-21.

^ ^a ^b "Colorado State Name and Nicknames". Colorado State Symbols & Emblems. State of Colorado, Department of Personnel & Administration, Colorado State Archives. Retrieved 2007-02-21.

^ "Colorado State Flower". Colorado State Symbols & Emblems. State of Colorado, Department of Personnel & Administration, Colorado State Archives. Retrieved 2007-02-21.

^ "Colorado Water History" (asp). Colorado Historical Society. Retrieved 2007-11-29.

^ "Colorado". USAtourist.com. USATourist. Archived from the original on 2012-12-16. Retrieved 2007-02-21.

^ Introduction to Colorado, 50 States, retrieved April 24, 2009.

^ "U.S. Census Bureau State & County QuickFacts". Archived from the original on 2016-02-19.

^ "Mount Elbert". NGS Data Sheet. National Geodetic Survey, National Oceanic and Atmospheric Administration, United States Department of Commerce. Retrieved 2009-05-05.

^ Mount Massive

^ Blanca Peak

^ "Longs Peak". NGS Data Sheet. National Geodetic Survey, National Oceanic and Atmospheric Administration, United States Department of Commerce. Retrieved 2009-05-05.

^ "Pikes Peak". NGS Data Sheet. National Geodetic Survey, National Oceanic and Atmospheric Administration, United States Department of Commerce. Retrieved 2009-05-05.