A listen through the old Woody Guthrie Columbia River Collection [1] suggests that powering heavy industry was a key justification for building dams on the Colu

A listen through the old Woody Guthrie Columbia River Collection [1] suggests that powering heavy industry was a key justification for building dams on the Columbia River. [1]: http://en.wikipedia.org/wiki/The_Columbia_River_Collection http://en.wikipedia.org/wiki/The_Columbia_River_Collection