 In February 1850, Brigham Young issued an extermination order of the Timpanogos in all of Utah Valley.When the Mormon militia attacked the Timpanogos along the Provo River, the main party fled to southern Utah Valley, where Chief Tabby-To-Kwanah's band was situated.The Mormon militia then came to the Timpanogos villages along the Spanish Fork River and the Peteetneet Creek.