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Mine: Coordinates: Town: Owner: Dates: Comments: Argonaut Mine: Jackson: Argonaut Mining Company: 1893–1942 registered as California Historical Landmark #786 ...
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
The Cerro Gordo Mines are a collection of abandoned mines located in Cerro Gordo in the Inyo Mountains, Inyo County, near Lone Pine, California. Mining operations spanned 1866 to 1957, producing high grade silver , lead , and zinc ore; and, more rarely, gold ore and copper ore . [ 1 ]
Because the gold in the California gravel beds was so richly concentrated, the early forty-niners simply panned for gold in California's rivers and streams, a form of placer mining. [ 10 ] [ 11 ] However, panning cannot take place on a large scale, and industrious miners and groups of miners graduated to placer mining " cradles " and "rockers ...
The Yuba Goldfields, also known as the Hammonton dredge field, is the largest gold dredge field in California. Located along the Yuba River approximately 6–12 miles (10–20 km) upstream of the town of Marysville , in Yuba County , the Hammonton dredge field was actively dredged for gold from 1904 [ 1 ] to 1968. [ 2 ]
The La Grange Mine is a former mine located in Trinity County, California. At one time it was the largest hydraulic mine in California . Started operating in 1862, over 3,500,000 dollars of gold was extracted before it was closed down in 1918 due to rising costs of labor and steel after World War I .
A gold mine could reopen in the Sierra Nevada. Environmentalists fear air pollution, empty wells and toxic waste.
Gold mines in California (25 P) Pages in category "Mines in California" The following 4 pages are in this category, out of 4 total.