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Photographic image
Members' Cooperative Research Program, Mike Spravka holding plant in Research Building basement1990s
Nachel, Jim
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Members Cooperative Research Program, Mike Spravka and volunteers preparing plantsNachel, Jim
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Members' Cooperative Research Program, Mike Spravka standing next to plants in tentApril 1994
Nachel, Jim
Photographic image
Members' Cooperative Research Program, plants in boxes in tentApril 1994
Nachel, Jim