North American Continent Is a Layer Cake, Scientists Discover (votes) http://www.gifts45.com/modules/Xigg/index.php/node/2964#nodeVotes Recently posted votes Anonymous http://www.gifts45.com/modules/Xigg/index.php/node/2964?vote_id=6144#vote6144 Anonymous 2010-10-13T10:47 Anonymous http://www.gifts45.com/modules/Xigg/index.php/node/2964?vote_id=6085#vote6085 Anonymous 2010-09-01T07:14 Gifted http://www.gifts45.com/modules/Xigg/index.php/node/2964?vote_id=6082#vote6082 Gifted 2010-08-27T01:13