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 | OHPEX06 (12/26/2006) | Ohio Explore-a-thon 2006 was a three day event that swept across Columbus, Dayton, and Cincinnati. In attendance were UER members from all over the buckeye state and at least one from considerably further. |
 | OPEX '77 (7/25/2007) | The fourth annual Opex international explorers meet. Explorers from many American states as well as Canada and Australia met in Buffalo, NY to see the sights and make new friends. |