Stock, who has held the position of park geologist for 17 years and is the park's first geologist, said the new study will revise how the park tells the geological history of Yosemite Valley.

Stock, who has held the position of park geologist for 17 years and is the park's first geologist, said the new study will revise how the park tells the geological history of Yosemite Valley.

Stock, who has held the position of park geologist for 17 years and is the park’s first geologist, said the new study will revise how the park tells the geological history of Yosemite Valley. “The ...

Yosemite officials closed the park’s Northside Drive for 24 hours so geologists from the U.S. Geological Survey could ... Everyone in the valley heard this one.” A rockslide sends boulders ...

Many patrons drive 3.5 hours from San Francisco to only spend time in the 18 km² areas of Yosemite Valley. The U.S. Geological Survey's report from September 2014 said rockfalls in Yosemite ...

you can read brief narratives that try to tell how old Yosemite Valley and Tenaya Canyon are. Now, scientists have recently shown the valley and its tributary canyon are much younger than ...