Inaspetsum Tribe Inaspetsum Indians. One of the tribes included by the early fur traders under the term Nez Percé 1 . They lived on Columbia River, above the mouth of the Snake, in Washington. Perhaps they were the Winatshipum or the Kalispel. (L. F.) Citations: Ross, Fur Hunters, i, 185, 1855[] Topics: Inaspetsum, Nez Perce, Collection: Hodge, Frederick Webb, Compiler. The Handbook of American Indians North of Mexico. Bureau of American Ethnology, Government Printing Office. 1906.Share this:FacebookTwitterPinterestPocketTumblrRedditEmailPrint