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Gold was discovered in California as early as March 9, 1842, at Rancho San Francisco, in the mountains north of present-day Los Angeles. Californian native Francisco Lopez was searching for stray horses and stopped on the bank of a small creek (in today's Placerita Canyon ), about 3 miles (4.8 km) east of present-day Newhall , and about 35 ...
Gold Hill in Grass Valley, California, was the site of one of the first discoveries of quartz gold [2] in California. While quartz gold was also found in other areas of Nevada County, California during the same time, it is this find near Wolf Creek that led to quartz-mining frenzy and subsequent creation of the Gold Country quartz-mining industry.
Californium was first made at University of California Radiation Laboratory, Berkeley, by physics researchers Stanley Gerald Thompson, Kenneth Street Jr., Albert Ghiorso, and Glenn T. Seaborg, about February 9, 1950. [28] It was the sixth transuranium element to be discovered; the team announced its discovery on March 17, 1950. [29] [30]
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.
Present-day Baja California of Mexico was misrepresented in early maps as an island.This example c. 1650. Restored. The first European explorers, flying the flags of Spain and of England, sailed along the coast of California from the early 16th century to the mid-18th century, but no European settlements were established.
The ore, the precious metal value of which was 54 percent from gold and 46 percent from silver, lasted only four years. [2]: 137–138 The Consolidated Virginia bonanza was discovered at the 1,200-foot (365-m) level in March 1873. The ore body was 900 feet (270 m) long and 200 feet (61 m) wide, but terminated at the 1650-foot (650-m) level.
The Palisades Fire is 6% contained after scorching nearly 20,000 acres, and firefighters have made progress tackling two others, the Hurst Fire (37% contained) and the Lidia Fire (75%) contained.
The Copper Fire was a wildfire in Los Angeles County, Southern California, in June 2002. After igniting on June 5 near the city of Santa Clarita , the fire burned for a week and consumed 23,407 acres (9,472 hectares), damaging wildlife habitat and historic structures in the Angeles National Forest .