Corona's Temescal Canyon is named for the dome-shaped mud saunas that the Luiseño Indians built around the area's artesian hot springs in the early 19th century. Starting in 1860, weary Butterfield Overland Stage Company passengers stopped here to relax in the soothing mineral springs. In 1890 Mr. and Mrs. W.G. Steers turned the springs into Glen Ivy Hot Springs, whose popularity has yet to fade.
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