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Saving the Mississippi R. delta is a ...

by Len Bahr, PhD* The most expensive and successful movie of all time is Avatar, filmed in 3D and likely to win at...

Saving the Mississippi R. delta is a 3D issue
posted on: Feb 17, 2010 | author: Admin

The world as a delta; a correspondenc...

by Len Bahr, Ph.D.* Editor’s note: This piece was originally published on February 4, 2010, not long before the...

The world as a delta; a correspondence course
posted on: Feb 4, 2010 | author: Admin