In the early and mid-nineteenth century, when the western United States was in a seemingly unending state of flux as people competed for dominance over the land and its resources, three men moved to what would eventually become southeastern Colorado and…

The American Plains Bison (Bison bison) are large mammals in the Bovidae family, recognizable for their large head, shaggy coats, pronounced hump, and close association with the American West. Bison are commonly and incorrectly referred to as …

Conservation efforts and reintroduction of the American bison (Bison bison) in Colorado began in Denver during the early twentieth century. By that time, the bison population had declined precipitously since the mid-nineteenth century because of…

Cheyenne County is a sparsely populated county on Colorado’s eastern plains, covering 1,781 square miles. It is named for the Cheyenne, one of many nomadic Native American groups that lived and hunted bison in the area throughout the nineteenth century…

Colorado, “the Centennial State,” was the thirty-eighth state to enter the Union on August 1, 1876. Its diverse geography encompasses 104,094 square miles of the American West and includes swathes of the Great Plains, southern Rocky Mountains, and the…

One of the most ecologically and culturally significant trees in Colorado, the plains cottonwood (Populus deltoides monilifera) thrives near rivers and riparian areas throughout the state. It is one of the only tree species to grow on Colorado’s Great…

George Bent (1843–1918) was a half-white, half-Native American soldier who fought in multiple battles for the Confederacy during the Civil War and for the Cheyenne people in various wars of the late nineteenth century. His life reflects the shifts in…

On January 14–15, 1865, immigrant Holon Godfrey found his family homestead in Colorado Territory under attack by about 100 Indigenous warriors engaged in a campaign of reprisal attacks after the Sand Creek Massacre of November 1864. The fierce battle at…

Treaties with Indigenous people played a major role in the conquest and formation of Colorado. Backed by the constant threat of military force, the series of treaties and agreements signed between the federal government and various Indigenous…

Joseph Hutchison, Poet Laureate of Colorado (2014–2019), is the award-winning author of seventeen poetry collections, including The World As Is: New & Selected Poems, 1972-2015; The Satire Lounge; Marked Men; Thread of the Real;…

The Little Arkansas Treaty refers to a pair of treaties signed between the US and Indigenous nations in Kansas in mid-October 1865: one with the Southern Arapaho and Southern Cheyenne nations and one with the Comanche and Kiowa. Of the two, the treaty…


 
 Margaret Coel (1937– ) is a New York Times best-selling author of both fiction and nonfiction. She is best known for her Wind River Mystery Series but has also published five nonfiction books, a book of short stories, and two additional…

The Medicine Lodge Treaties were a series of three treaties between the US government and the Comanche, Kiowa, Plains Apache, Southern Cheyenne, and Southern Arapaho American Indian nations, signed in October 1867 along Medicine Lodge Creek, south of…

From the 1850s to the 1920s, gold and silver mining drove Colorado’s economy, making it into an urbanized, industrial state. The rapid development of Colorado’s mineral resources had political, social, and environmental consequences. The mining of gold…

On November 29, 1864, US volunteer cavalry killed at least 230 Cheyenne and Arapaho people—mostly women, children, and the elderly—who were camped peacefully along Sand Creek in what was then Colorado Territory. Learning about the Sand…

Colorado’s role in the American Civil War (1861–65) was part of a broader geopolitical contest: control of the American Southwest. The war began in 1861, just two years after the Colorado Gold Rush and mere months after Congress established the Colorado…

Signed in 1851, the Treaty of Fort Laramie was made between the US government and several Indigenous nations of the Great Plains—including the Cheyenne, Arapaho, and Lakota—who occupied parts of present southern Wyoming and northern Colorado. The treaty…