After taking up study of the Arapaho language, a Native American language in the Algonquian family, he wrote From the Arapaho Songbook, a serial poem in 108 stanzas that incorporated words and syntax from Arapaho.
In June 1866, Colonel Henry B. Carrington advanced from Fort Laramie into the Powder River country, the hunting grounds of the Lakota, Northern Cheyenne, and Northern Arapaho.
During the mid-1870s and onset of the Black Hills War with the Lakota, Cheyenne, and Arapaho tribes, the monotony of camp life was broken by a series of major military expeditions, including Maj. Gen. George Crook's Power River Expedition of 1876 and Col. Ranald S. Mackenzie's 1876 campaign against Dull Knife.
Bent lived on the Cheyenne and Arapaho reservation near the town of Colony and worked as a U.S. government employee for most of the rest of his life.
Jeffrey D. Anderson is an American anthropologist who specializes in Arapaho culture and Arapaho language and culture.
In 1859, Henderson built a ranch, trading post, and hotel on Henderson Island in the South Platte River in Arapaho County, Kansas Territory.
Between North Arapaho Peak and neighboring South Arapaho Peak sits Arapaho Glacier, which is owned by the city of Boulder as part of its water supply.
These include four in the Black Hills of South Dakota (two on the Black Hills National Forest); one in the Sherman Mountains of Albany County, Wyoming (on the Medicine Bow National Forest); seven in north-central Colorado (one on the Arapaho-Roosevelt National Forest); and one in southwestern Colorado (potentially on the San Juan National Forest).
The Native Americans from the Sioux, Cheyenne, Shoshone, Arapaho, Crow, and Flathead tribes were forced into the government institution to be taught the white man's way of life.
Constantine Scollen the famous missionary was a priest here amongst the Arapaho between 1890 and 1892.