Stream in Wyoming, so named because of the dark powder-colored sand on its banks. (Gannett, 1905) River, formed in Johnson County, Wyoming, by the junction of its Middle and South Forks, ... flowing thence northeasterly, crossing into Montana ... and entering the Yellowstone River ... in Montana. (Decisions, 1931) River and Town named for the dark powder like sand found along the river banks. (WPA) Named for a branch of the Powder River which in turn was named for the dark powder-like quick sand that is found along its banks and in the channel. (Annals of Wyoming 15:1) This village was named from Powder River. The river was named from the dark powder like sand that was found along its banks. (Stennett, 1908)
Other Names:
Chakadee Wakpa, Middle Fork Powder River, Red Stone River, Redstone River, Wa ha Sah, Wah-har-sop, Wahasah, War-har-sa, War-rak-sash, Ce-than-i-ci-a, Itkanaahtuusu Huukaahaanu, Itkanahtuusu Hukaahaanu, Kanaahtuusu Hukaahaanu, Little Missouri River, Paiyo'he
