[4] Chambers was a prominent figure in the formation of Butte, Montana, and Park City, Utah; and was named one of Utah's Bonanza Kings because he led the operation of the Ontario silver mine near Park City, from 1872 until 1891.

[10] In 1893, Eudora survived an attempted suicide by jumping in front of a moving train in San Francisco, she had a history of mental instability.

[5] A year later he moved to the Feather River Gold Mines in Plumas County, where he befriended The Salt Lake Tribune newspaper editor Judge Goodwin.

[5] From 1872 until 1891, Chambers served as the superintendent of the Ontario silver mine, which was owned by George Hearst.

[12] Through his relationship with Hearst, Chambers was able to meet other powerful people in mining and finance.

[2] However Marcus Daly was an original Trustee of the Mountain Consolidated company, as well as a member of the Chambers group.

[17] He was initially interred at Laurel Hill Cemetery in San Francisco;[17] when that closed around 1940, he was re-interred to Cypress Lawn Memorial Park in Colma California.