Near this location, records show establishment of a post office at Topaz, Mono County, California, February 20, 1885. Discontinued in 1922, it was re-established in June, 1926. Nearby could also be found a school, way-station, blacksmith shop, and other facilities of the Rickey Land and Cattle Company operations of northern Mono County.

Marker is on Topaz Lane 1.4 miles east of Three Flags Highway (California Highway 395).

Courtesy hmdb.org

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