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Gold: the California story. Berkeley and Los Angeles: University of California Press. ISBN 0-520-21547-8. Rawls, James J. and Orsi, Richard J. (eds.) (1999). A golden state: mining and economic development in Gold Rush California (California History Sesquicentennial Series, 2). Berkeley and Los Angeles: University of California Press.
The Empire Mine is on the National Register of Historic Places, a federal Historic District, and a California Historical Landmark. Since 1975 California State Parks has administered and maintained the mine as a historic site. The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California". [3]
Exhibits include the crystalline gold Fricot Nugget, weighing 201 troy ounces (6.25 kg), the largest found during the California Gold Rush; a working scale model of a stamp mill over 100 years old, demonstrating the process of extracting gold from quartz rock; and a replica hard rock mine tunnel that allows visitors to better understand California's hard rock mines.
It was discovered in the early 1850s, during the California gold rush. The California Mother Lode is a zone from 1.5 to 6 kilometres (0.93 to 3.73 mi) wide and 190 kilometres (120 mi) long, between Georgetown on the north and Mormon Bar on the south. The Mother Lode coincides with the suture line of a terrane, the Smartville Block. [4]
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 ]
Inside the 1,200-year-old grave, archaeologists unearthed a treasure trove of gold artifacts, including several breastplates, two belts made of gold beads, bracelets, figure-shaped earrings ...
Good Hope Mine was the principal gold mine in the Pinacate Mining District, Riverside County, California. Good Hope Mine was reputedly begun by a Frenchman named Mache, although the washes in the area were originally placer mined by Mexicans in the 1850s during the California Gold Rush using arrastras. The Good Hope quartz vein was found in 1874.
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