PART I: YOSEMITE LANDSCAPES
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The reliefs of Yosemite in Sierra Nevada range (California) are a beautiful example of granite batholith raised in the Alpine orogeny. Its age is estimated at about 10 million years. The glaciations of the Quaternary period have strongly modeled the granitoid primitive structure.
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| Meteorological measures near of Sentinel Dome in Yosemite NP |
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| Locations of some T.Tobal's photographs on a historical map |
+USGS ON GEOMORPHOLOGY OF YOSEMITE LANDSCAPE
The fog was present on the day of the photographs and the air shows a limited transparency...
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| THE FIRST PICTURE OF YOSEMITE VALLEY Sketched by Thomas A. Ayres, June 20, 1855 [Editor’s note: the correct date is June 27, 1855.—dea] |
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