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Planet, Arizona
Planet is an unincorporated community on the north bank of the Bill Williams River〔 in La Paz County, Arizona. The town was known as a travelers' stopping place, and had a post office from 1902 to 1921. The name was collected between 1976 and 1980 by the United States Geological Survey, and entered into the Geographic Names Information System on February 8, 1980.〔(USGS GNIS Feature Detail Report: Planet )〕
==Mining==
The geology of the Planet area is ancient, estimated to be Precambrian, the bedrock being made up mostly of pinkish gneiss and absorbed limestone and amphibolite, which contained hematite-copper. Gold and the copper were discovered in La Paz County in the early 1860s.〔 The Planet area began producing ore around 1868, making it likely the first copper mine in Arizona.〔 Prospectors received trouble from Apaches in the area until 1874, when they were placed on reserves. Smelting and bullion production, assaying at about 5% copper, began in the 1880s. By 1884, the mine had sent more than 6,000 tons of high-quality copper to San Francisco. Transporting freight 28 miles to Planet cost $10 to $18 a ton. There was for a while limited access to Planet, a stage going between the town and Bouse (21.5 miles to the south) three times a week. With 31 lode claims, the mine was noted as a good example of the state's abundant natural resources.〔Paige, Sidney. ''Mining Resources of the Llano-Burnet Region, Texas''. Government Printing Office: Washington, DC, 1911〕 In 1906, the mine was owned by J. Stanley Jones of Denver, Colorado.〔''Mining Reporter, Volume LIII''. The Mining Reporter Publishing Company: Denver, Colorado, 1906.〕
The New Planet Mining Company was incorporated in Delaware on July 13, 1909. Its predecessor, the Planet Copper Mining Co., had taken over the mine in 1902.〔Weed, Walter Harvey, E.M. ''The Mines Handbook''. New York City, 1920.〕 By 1916, the Planet Copper Mine was producing 3,929,000 lbs. of copper a year; it ranked as the 25th most productive copper mine in the United States.〔Finlay, James Ralph. ''The Cost of Mining''. McGraw-Hill: New York, 1920, p. 185〕 By 1920, the company's stock assets amounted to $4 million at $5 a share. That year, the superintendent of the mine was Claude Ferguson.〔Dunbar, Alexander R. ''The American Mining Manual''. The Mining Manual Co.: Chicago, 1920, p. 84〕
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