Pomona (pəmōˈnə) [key], city (1990 pop. 131,723), Los Angeles co., S Calif. at the foot of the San Gabriel Mts.; inc. 1888. It is a residential, industrial, and commercial suburb of Los Angeles where citrus fruits and vegetables are canned and shipped. Manufactures include foods; paper, metal, and plastic products; and chemicals. There are aluminum and iron foundaries. The city is the seat of California State Polytechnic Univ., Pomona, and is the site of the Los Angeles County Fair. It is one of the fastest-growing U.S. cities.
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