Proper noun
A river in Wyoming and Montana, USA, which is a tributary of the Yellowstone River.
A river in Oregon, United States, a tributary of the Snake River.
A census-designated place in Natrona County, Wyoming, United States.
Source: en.wiktionary.orgAmong the most influential and respected Arapaho chiefs living on the Agency was Chief Black Coal who gained prominence as a warrior and leader against white settlers in the Powder River country. Source: Internet
Coal country recently emerged from a wave of bankruptcies, in which several mines in the Powder River Basin moved into new, and new-to-Wyoming, hands. Source: Internet
Having settled the Black Hills of South Dakota and the Powder River Country of present-day Montana, they introduced the horse culture to Lakota bands about 1730. Source: Internet
Most of the Indians moved north into Nebraska on their way to the Black Hills and the Powder River. Source: Internet
Once in the area of the Powder River the Arapaho noticed an increase in travelers moving along the established Bozeman trail, which led to the Montana gold fields. Source: Internet
Powder River Expedition main After the Sand Creek Massacre and a number of other skirmishes the Northern Arapaho, Cheyenne, and Lakota moved many of their bands to the remote Powder River country in Wyoming and southern Montana. Source: Internet