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Before 1768: An enlargeable territorial map of California tribal groups and languages prior to European contact within the modern day borders. Before 1768: An enlargeable map of the world showing the dividing lines for; Pope Alexander VI's Inter caetera papal bull (1493), the Treaty of Tordesillas (1494), and the Treaty of Saragossa (1529).
The oldest rocks in California date back 1.8 billion years to the Proterozoic and are found in the San Gabriel Mountains, San Bernardino Mountains, and Mojave Desert.The rocks of eastern California formed a shallow continental shelf, with massive deposition of limestone during the Paleozoic, and sediments from this time are common in the Sierra Nevada, Klamath Mountains and eastern Transverse ...
In 1841, Cadwalader Ringgold, an officer in the United States Navy, spent twenty days surveying the San Francisco Bay watershed as a member of the United States Exploring Expedition In 1849, Cadwalader Ringgold began a more comprehensive survey the San Francisco Bay region, [11] the Sacramento River, and parts of the American and created several maps which included depth sounding information ...
California's geography is largely defined by its central feature—the Central Valley, a huge, fertile valley between the coastal mountain ranges and the Sierra Nevada. The northern part of the Central Valley is called the Sacramento Valley , after its main river, and the southern part is called the San Joaquin Valley / ˌ s æ n w ɑː ˈ k ...
Extensive logging in the 19th century, particularly after the annexation of California in 1850, to fuel the growth of San Francisco and San Antonio turned the forest into "a sea of stumps". [2] At one time in the mid-1850s, there were over a dozen mills operating in the east bay redwoods.
The death toll from the earthquake and resulting fire is the greatest loss of life from a natural disaster in California's history. The most widely accepted estimate for the magnitude of the earthquake is a moment magnitude (M w) or Richter magnitude (M L) of 7.8; [7] however, other values have been proposed, from 7.7 to as high as 8.25. [8]
HuffPost Data Visualization, analysis, interactive maps and real-time graphics. Browse, copy and fork our open-source software.; Remix thousands of aggregated polling results.
Articles about geography related subjects of the U.S. state of California. For human settlements, see Category:Populated places in California . Wikimedia Commons has media related to Geography of California .