end of 1998. The mine used a chemical extraction process known as vat leaching involving the use of a weak cyanide solution. The process, like heap leaching, makes it possible to process ore profitably that otherwise would not qualify as mill-grade. Over its entire life, the mine processed about of ore and produced about of gold. See also List of ghost towns in Nevada References Further reading Elliott, Russell R. (1988). Nevada's Twentieth-Century Mining Boom: Tonopah, Goldfield, Ely. Reno: University of Nevada Press. . Hall, Shawn. (1999). Preserving the Glory Days: Ghost Towns and Mining Camps of Nye County, Nevada. Reno: University of Nevada Press. . Hustrulid, William A., and Bullock, Richard L., eds. (2001) Underground Mining Methods: Engineering Fundamentals and International Case Studies. Littleton, Colorado: Society for Mining, Metallurgy, and Exploration (SME). . Lingenfelter, Richard E. (1986). Death Valley & the Amargosa: A Land of Illusion. Berkeley and Los Angeles, California: University of California Press. . McCoy, Suzy. (2004). Rebecca's Walk Through Time: A Rhyolite Story. Lake Grove, Oregon: Western Places. . McCracken, Robert D. (1992). A History of Beatty, Nevada. Tonopah, Nevada: Nye County Press. . McCracken, Robert D. (1992). Beatty: Frontier Oasis. Tonopah, Nevada: Nye County Press. . Patera, Alan H. (2001). Rhyolite: the Boom Years (Western Places #10, fourth printing). Lake Grove, Oregon: Western Places. . Ransome, R.L. (1907). "Preliminary Account of Goldfield, Bullfrog and Other Mining Districts in Southern Nevada". Originally published as "United States Geological Survey Bulletin 303". Reprinted in Mines of Goldfield, Bullfrog and Other Southern Nevada Districts (1983). Las Vegas: Nevada Publications. . External links Beatty Museum and Historical Society From the Ghost Town – Suzy McCoy Rhyolite – Ghost Town Gallery Rhyolite Ghost Town – National Park Service Rhyolite video – Vimeo 1920s images of Rhyolite from the Death Valley Region Photographs Digital Collection – Utah State University Ghost towns in Nye County, Nevada Mining communities in Nevada Amargosa Desert Death Valley National Park Tonopah and Tidewater Railroad Populated places established in 1905 1905 establishments in Nevada Ghost towns in Nevada Bottle houses