* Powder River Basin

* 1876 – American Indian Wars: In retaliation for the American defeat at the Battle of the Little Bighorn, United States Army troops sack Chief Dull Knife's sleeping Cheyenne village at the headwaters of the Powder River.

* November 25 – American Indian Wars: In retaliation for the dramatic American defeat at the Battle of the Little Bighorn, United States Army troops under General Ranald S. Mackenzie sack Chief Dull Knife's sleeping Cheyenne village at the headwaters of the Powder River ( the soldiers destroy all of the villagers ' winter food and clothing, and then slash their ponies ' throats ).

Their tribal territory stretched from what is now Yellowstone National Park and the headwaters of the Yellowstone River ( E-chee-dick-karsh-ah-shay —" Elk River ") in the west, north to the Musselshell River, then northeast to the Yellowstone's mouth at the Missouri River, then southeast to the confluence of the Yellowstone and Powder Rivers ( Bilap chashee —" Powder River " or " Ash River "), south along the South Fork of the Powder River, confined in the SE by the Rattlesnake Mountains and westwards in the SW by the Wind River Range.

The Fort Laramie Treaty of 1851 with the United States confirmed as Crow lands a large area centered on the Big Horn Mountains: the area ran from the Big Horn Basin on the west, to the Musselshell River on the north, and east to the Powder River ; it included the Tongue River basin.

The Treaty of Fort Laramie ( 1868 ) with the United States confirmed the Lakota control over all the high plains from the Black Hills of the Dakotas westward across the Powder River Basin to the crest of the Big Horn Mountains.

The use of this method is currently expanding in the Powder River Basin of northeast Wyoming and southeast Montana.

LCRA uses coal from the Powder River Basin in Wyoming as fuel.

Rapid City's location on the boundary of the Western and Eastern power grids, together with the hydroelectric plants of the Mainstem Dams on the Missouri River and the large coal fields and power plants of the Powder River Basin of Wyoming make it one of the points where the two national power grids connect with each other, allowing switching of electrical power from east to west and vice versa.

Rapid City's location on the boundary of the Western and Eastern power grids, together with the hydroelectric plants of the Mainstem Dams on the Missouri River and the large coal fields and power plants of the Powder River Basin of Wyoming make it one of the points where the two national power grids connect with each other, allowing switching of electrical power from east to west and vice versa.

Settlement began in the area near Wright in the 1970s, with the creation of the Black Thunder Coal Mine, the largest mine in the Powder River Basin and most productive mine in the United States.

In recent years, the town has boomed economically due to methane production from the coal bed methane extraction method used in the Powder River Basin and surrounding areas.

* Krause ( 1992 ), " Clemensodon megaloba, a new genus and species of Multituberculata ( Mammalia ) from the Upper Cretaceous Type Lance Formation, Powder River Basin, Wyoming ".

In the United States, these distinctive intermontane basins occur principally in the central Rocky Mountains from Colorado and Utah ( Uinta Basin ) to Montana and are best developed in Wyoming, with the Big Horn, Powder River, and Wind River being the largest.

To further expand the Burlington Northern, a single track was constructed in 1972 into the Powder River Basin to serve various coal mines.

Where these coal beds are thick and also close to the surface in the Powder River Basin in northern Wyoming and southern Montana they are mined in large open pit mines, like the mines along the Tongue in the vicinity of Decker, Montana.

Because of this demand, about 40 % of the coal now used to generate electricity in the United States is mined from the Tongue River sandstone coal seams in the Powder River Basin, producing 14 % of carbon dioxide emissions in the United States.

The Fort Laramie Treaty of 1851 confirmed a large area centered on the Big Horn Mountains as Crow lands — the area ran from the Big Horn Basin on the west, to the Musselshell River on the north, and east to the Powder River, and included the Tongue River basin.

Red Cloud's War ended in a complete victory for the Lakota, and the 1868 Treaty of Ft. Laramie confirmed their control over all the high plains from the crest of the Big Horn Mountains eastward across the Powder River Basin to the Black Hills.

* Crazy Woman Creek lies to the south of the Tongue River Basin, in Wyoming and is a tributary of the Powder River.

* Powder River Basin

The Powder River Basin near the Montana / Wyoming border is a major source of low-sulfur coal mined in the United States.

* Powder River Basin

* Powder River Basin, a major coal producing region in the United States

A notable syncline is Wyoming's Powder River Basin.

* April – The United States Court of Appeals for the Eighth Circuit in Pierre, South Dakota, rules that the Dakota, Minnesota and Eastern Railroad may use eminent domain to purchase land in South Dakota in order to build the railroad's extension into Wyoming's Powder River Basin.

* February 20 – The Dakota, Minnesota and Eastern Railroad files an application with the Surface Transportation Board to build new railroad track to haul coal from the Powder River Basin in Wyoming.

The war was fought over control of the Powder River Country in north central Wyoming.

Gen. George Crook's column of ten companies ( A, B, C, D, E, F, G, I, L, and M ) of the 3rd Cavalry, five ( A, B, D, E, and I ) of the 2nd Cavalry, two companies ( D and F ) of the 4th Infantry, and three companies ( C, G, and H ) of the 9th Infantry, moved north from Fort Fetterman in the Wyoming Territory on May 29, marching toward the Powder River area.

The Johnson County War, also known as the War on Powder River, was a range war that took place in Johnson, Natrona and Converse County, Wyoming in April 1892.

Powder River ( Arapaho: Ce ' í3eeniicííhehe ' ) is a census-designated place ( CDP ) in Natrona County, Wyoming, United States.

es: Powder River ( Wyoming )

pt: Powder River ( Wyoming )

Arvada, Wyoming is located on the west bank of the Powder River, about fifty miles northwest of

Most of the increase was Powder River coal from Wyoming, a fount of traffic unprecedented in United States railroad history, and one which BN had to itself until 1984.

The Tongue and its tributaries flow through parts of Custer, Powder River, Rosebud and Big Horn Counties, Montana, and Sheridan County, Wyoming.

One of the most capable Native American opponents the United States Army faced, he led a successful campaign in 1866 – 1868 known as Red Cloud's War over control of the Powder River Country in northeastern Wyoming and southern Montana.

Red Cloud's War ( also referred to as the Bozeman War or the Powder River War ) was an armed conflict between the Lakota, Northern Cheyenne, and Northern Arapaho and the United States in Wyoming and Montana territories from 1866 to 1868.

The war was fought over control of the Powder River Country in north-central Wyoming.

The Powder River Country refers to an area of the Great Plains in northeastern Wyoming in the United States.

Powder River ( Assiniboine: Caȟní wakpá ) is a tributary of the Yellowstone River, approximately long in the southeastern Montana and northeastern Wyoming in the United States.

* Powder River ( Montana ), in Wyoming and Montana in the United States

* Powder River Pass, a mountain pass in the Big Horn Mountains of Wyoming