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Generalized geologic map of the Yosemite area. (Based on a USGS image) The exposed geology of the Yosemite area includes primarily granitic rocks with some older metamorphic rock. The first rocks were laid down in Precambrian times, when the area around Yosemite National Park was on the edge of a very young North American continent.
In North America, neoglaciation had ecological effects in the spread of muskeg on flat, poorly drained land, such as the bed of recently drained Lake Agassiz and in the Hudson Bay lowlands, in the retreat of grassland before an advancing forest border in the Great Plains, and in shifting ranges of forest trees and diagnostic plant species ...
Humans may have lived in the Yosemite area as long as 8,000 to 10,000 years ago. [1] Habitation of the Yosemite Valley proper can be traced to about 3,000 years ago, when vegetation and game in the region was similar to that present today; the western slopes of the Sierra Nevada had acorns, deer, and salmon, while the eastern Sierra had pinyon nuts and obsidian. [2]
Yosemite National Park (/ j oʊ ˈ s ɛ m ɪ t i / yoh-SEM-ih-tee [5]) is a national park of the United States in California. [ 6 ] [ 7 ] It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest .
Eight years before Yellowstone was established as America’s first national park, President Abraham Lincoln signed a document called the Yosemite Valley Grant Act in 1864. This act protected ...
Profile Rock or Taft Point, a promontory on the south side of Yosemite Valley, is on the left. The first fissure at Taft Point. The drop is 1,000 feet (300 m) from the edge at this point. Taft Point is a viewpoint in Yosemite National Park west of Glacier Point. It offers wide views of Yosemite Valley, Yosemite Falls and El Capitan. The main ...
Located in Alaska's Denali National Park and Preserve, Denali is the tallest mountain in North America, even taller than Everest if you measure it from base to summit.At 20,310 feet above sea ...
The National Weather Service says the impacts of the weekend storm will be extreme in the Sierra Nevada above 5,000 feet, including areas of Yosemite National Park. Yosemite Valley could see 72 ...