Marcus Daly, one of three Butte copper kings, funded logging operations in the Bitterroot Valley. The Salish remained in the Bitterroot Valley until 1891. Ravalli County was once home to the Bitterroot Salish tribe. It is part of the Coeur d'Alene Mountains in the Bitterroot Range. Lolo Creek is the primary tributary in the northern portion of the Bitterroot watershed. It, also, sits at the confluence of Lolo Creek and the Bitterroot River. The Flatheads in the Bitterroot valley had asked for teachings from Jesuit priests since 1831. The bitterroot ("Lewisia rediviva"), the state flower, is found in limited quantities in Sanders County. The Northern Bitterroot Range is the northernmost and shortest subrange of the Bitterroot Mountains. The Central Bitterroot Range is the southernmost and tallest subrange of the Bitterroot Mountains. It rises over above the nearby Bitterroot Valley. Charlot finally signed an agreement to leave the Bitterroot Valley in November 1889. The first formal school on record was at Fort Owen in Bitterroot valley in 1862. He insisted on the right of his people to remain in the Bitterroot Valley. Superior is located within the Bitterroot Range of mountains.