Photos of Glacial Erratic Boulders
Some years ago I posted a blog entry about photos of glacial erratic boulders on Olmsted Point in Yosemite National Park. Well, I was recently there and got a few more. Glacial erratic boulders are so named because they are erratic (i.e., differ materially from the naturally occuring stone nearby)…
adminSeptember 1, 2009


































