Red Mountain, California
Introduction '''Red Mountain''', formerly known as Osdick, is an unincorporated community in San Bernardino County, California, United States.Red Mountain was established in 1919 as Osdick, a silver mine boom townRed Mountain is  south-southwest of Trona, part of the mining district of Randsburg, California and Johannesburg, California.Red Mountain has a post office with ZIP code 93558.The post office opened under the name Osdick in 1922 and changed its name to Red Mountain in 1929.In 2022, the community received a $1.5 million grant to clean sediment of arsenic from historic gold and silver mining from the kelly mine complex
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