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Latest comment: 16 years ago1 comment1 person in discussion
Didn't Dr. Ripley predict in 1970 that 75-85% of species would be extinct by 1995?12.159.72.39 (talk) 17:32, 28 April 2008 (UTC)Reply
This article was edited as part of the SIA edit-a-thon!edit
Latest comment: 11 years ago1 comment1 person in discussion
This article was created or edited as part of the Smithsonian Institution Archives Edit-a-thon! This event focused on Smithsonian history! Please assume good faith about the edits made, as the editor who contributed recently to this article may be a newbie! Thanks, and you can learn more about the event here!
