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These are the most recent diaries filed under this tag:
The logo sure does sound official, doesn't it? Well, given the diaries posted thus far, all of which explain some essentials of geology, including the larger tri-series on the Colorado Plateau, I ...
by richholtzin
Comment Count 65 comments on Sat Feb 02, 2013 at 07:22 AM PST with 60 Recommends