Delores Manburg sent us a link to the You Tube videos of Paul Lindburg's Grand Canyon Lecture about the origin of Grand Canyon.
Paul gives the very best overview of the geologic history of the Canyon. His handmade models are the Greatest!!
Each of the videos run about 7 minutes.
We will be getting the rest of Mr. Lindberg's presentation posted as soon as we can work our way through them.
Here are the links
http://www.youtube.com/watch?v=oGGgwlvOUgc - 1st half
http://www.youtube.com/watch?v=3xU9a4iZuuc - 2nd half
Copy the links if they don't work.
Harry Allen
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