41 | Reuben Margolin 2009-09-14 |
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42 | Michael Welland 2009-08-24 |
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43 | Rick Aster 2009-05-07 |
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44 | Gary Griggs 2009-02-24 |
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45 | Daniel Botkin 2009-02-20 |
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46 | Margaret Leinen 2009-02-11 |
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47 | Rae and Wallis: Catch a Wave 2008-06-16 |
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48 | Richard West 2008-01-12 |
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49 | Conrad Lautenbacher: Global Climate Change 2008-01-11 |
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50 | Dr. William Patzert 2007-11-03 |
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