Thorkildsen-Mather Borax Company was a

borax Borax is a salt ( ionic compound), a hydrated borate of sodium, with chemical formula often written . It is a colorless crystalline solid, that dissolves in water to make a basic solution. It is commonly available in powder or granular for ...

mining company founded in 1898 by

Stephen Mather Stephen Tyng Mather (July 4, 1867 – January 22, 1930) was an American industrialist and conservationist who was the first director of the National Park Service. As president and owner of Thorkildsen-Mather Borax Company he became a million ...

and Thomas Thorkildsen. The two men were both employees of Francis Marion "Borax" Smith's

Pacific Coast Borax Company The Pacific Coast Borax Company (PCB) was a United States mining company founded in 1890 by the American borax magnate Francis Smith, the "Borax King". History The roots of the Pacific Coast Borax Company lie in Mineral County, Nevada, east of ...

, but they left the company to form this new company and went into direct competition with their former boss. The company was later renamed Sterling Borax.

Francis Marion Smith Francis Marion Smith (February 2, 1846 – August 27, 1931) (once known nationally and internationally as "Borax Smith" and "The Borax King" ) was an American miner, business magnate and civic builder in the Mojave Desert, the San Francisc ...

subsequently bought out their company in 1911.Hildebrand, GH. (1982) Borax Pioneer: Francis Marion Smith. San Diego: Howell-North Books. pp 88.

References

{{reflist Mining companies of the United States Defunct companies based in California Borax mines