Columbus, Esmeralda County, Nevada, about 1880. There is an inscription on the back of the image: "The Pacific Borax Company was one of four companies mining borax from nearby Columbus Salt Marsh at the time. The borax was discovered in 1872 by Francis M. "Borax" Smith. Columbus, which was settled in 1865, also supported four stamp mills which process the silver ore from the Columbus Mining District (Candelaria). The town's boom years were between 1873-1878 when the population was over 600. Nevada Historical Society Coll." There is a date stamp: Christmas 1984.