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Charles David Keeling & GW Bush 2001.jpg - Materialscientist
Charles David Keeling 2001.jpg - Materialscientist
Charles David Keeling and John Chin at Mauna Loa Observatory in 1997.jpg - Jules*
Plaque commemorating the Keeling Curve, Scripps Institution of Oceanography, La Jolla, California.jpg - Millerdl
Charles David Keeling plaque.jpg - Bjh21