tecznotes
Michal Migurski's notebook, listening post, and soapbox. Subscribe to this blog. Check out the rest of my site as well.
Apr 20, 2006 1:29am
paleogeographical evolution
Dr. Ron Blakey, Professor of Geology at Northern Arizona University recently posted a series of images that track land-mass movement in North America over the past 550 million years.
I combined them into movies:
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