volume vi, p. 239, note 39. The Attayes were probably the Yakima, an

important Shahaptian tribe in the valley of that river; one branch of the tribe was called Atanum, and a Catholic mission by that name was in later years established among them.--ED.

[282] Part of the Great Plain of the Columbia, broken by many fantastic shapes of the volcanic underlying rock. Most notable of these is the Grand Coulée, which, however, De Smet did not cross, for it lies north of Spokane River. He probably took the trail afterwards developed into a part of the Mullan road, from Great Falls of Missouri to Walla Walla. From the land of the Cœur d'Alène he returned along the route by which he had come out--the St. Regis Pass and river St. Regis Borgia.--ED.

[283] This was the route followed by Clark on his return journey in 1806--through Gibbon's Pass, and down the upper waters of Big Hole (or Wisdom) River, an affluent of the Jefferson.--ED.