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The Gold Country (also known as Mother Lode Country) is a historic region in the northern portion of the U.S. state of California, that is primarily on the western slope of the Sierra Nevada. It is famed for the mineral deposits and gold mines that attracted waves of immigrants, known as the 49ers , during the 1849 California Gold Rush .
Whitney organized the first comprehensive survey of California, and the first complete topographic maps of the state were completed under him. Mount Whitney, the tallest peak in California is named after him. The State Mining Bureau was established in 1880, and the position of State Geologist was changed to State Mineralogist.
Date/Time Thumbnail Dimensions User Comment; current: 00:00, 8 August 2009: 650 × 800 (258 KB): Optigan13 == Summary == {{Information |Description={{en|A map of the w:Inland Empire (California) metropolitan area of California, which consists of the counties of Riverside and San Bernadino.}} |Source=Own work based on [[:File:California county map (Riversid
Lawson's map of the Gold Regions is the first map to accurately depict California's Gold Regions. Issued in January 1849, at the beginning of the California gold rush, Lawson's map was produced specifically for prospectors and miners. A Correct Map of the Bay of San Francisco and the Gold Region from actual Survey June 20th. 1849 for J.J. Jarves.
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 former Overland Emigrant Trail, which was used by travelers from points east to the California gold fields, crosses the present day SR 49 near Wolf Creek. [46] Empire Mine was in constant operation from 1850 to the late 1950s. [47] Gold Hill in Grass Valley was the site of one of the first discoveries of quartz gold in California. [48]
Town Other names County Latitude/Longitude Founded Abandoned Status Remarks Agua Fria: Mariposa: 1850 1862 [1]: Barren [2]: Truly was abandoned after a fire burnt down the town in 1866.
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]