Their case was becoming desperate when a troop of Federal cavalry arrived, raised the siege, and took the cattlemen back to Cheyenne as prisoners.
They are drained and in large part enclosed by the North (or Belle Fourche) and South forks of the Cheyenne river (at whose junction a fur-trading post was established about 1830); and are surrounded by semi-arid, alkaline plains lying 3000 to 3500 ft.
From the west the Missouri receives the Grand, Moreau or Owl, Cheyenne and White rivers.
The Indians on reservations and in Indian schools include members of the Yankton, Yanktonai, Oglala, Brule, Sisseton, Wahpeton, Flandreau, Sioux, Blackfeet, Miniconjou, Sans Arc and Ute tribes, on the Standing Rock and Cheyenne River reservations in the north of the state, the Lower Brule and Crow Creek reservations in the central part, and the Pine Ridge and Rosebud reservations in the south.
The state is coldest in the north-east and warmest in the region south of the Cheyenne and west of the Missouri river.
Much of the state is drained by branches of the Missouri river, the most important being the Yellowstone, Bighorn and Powder rivers flowing N., and the Cheyenne and North Platte flowing E.
One extends from Cheyenne S.E.
The two Cheyenne Canyons, with walls as high as 1000 ft.
Near the city is a Government boarding school for the Indians of the Cheyenne and the Arapahoe Reservation.
From 1864 to 1870 there was trouble with the Cheyenne and Arapahoe Indians.