Keywords: Guyana Shield.jpg Guyana Shield Guyanaschild CIA world factbook Modified by Geologyguy 02 03 6 December 2006 UTC uploaded to en wiki at http //en wikipedia org/wiki/Image Guyana_Shield jpg CIA World Factbook / Geologyguy PD-USGov PD-USGov-CIA-WF Maps of Guyana Topographic maps of Venezuela |