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Research crew operating a hydropneumatic elutriation root washing system in laboratory1990s
Kohout, John
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Research intern banding a bird for Chris Whelan bird population study1991
Nachel, Jim
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Kirsten Spravka and Gary Watson in cherry picker near crown of tree doing research1990s
Irving, Gary
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Kirsten Spravka and Gary Watson in cherry picker doing research near crown of tree1990s
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Members' Cooperative Research Program, Mike Spravka holding plant in Research Building basement1990s
Nachel, Jim