Geological Map of El Capitan

Greg Stock is the first-ever Park Geologist at Yosemite National Park. He has B.S. and Ph.D. (U.C. Santa Cruz) degrees in geology and earth science, and was a researcher at the University of Michigan prior to accepting the job at Yosemite in 2006. Stock has a number of interesting articles about Yosemite rock fall and the park's geology.

 

 

Past blog entries can be found at  http://touchstoneclimbing.blogspot.com/

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