Document
1983/12/14: Horticulture Research Center, Kansas State University to George WareDecember 14 1983
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Visitors at Plant Clinic desk with Karla Patterson and Kris BachtellJune 1983
Kohout, John
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Karla Patterson and Kris Bachtell speaking to seated visitors at Plant Clinic deskJune 1983
Kohout, John
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Populus deltoides (eastern cottonwood), trunks and branches with leavesMay 1983
Kohout, John
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Karla Patterson and Kris Bachtell helping seated visitors at Plant Clinic deskJune 1983
Kohout, John
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Employee in forested area participating in controlled burn, smoke to the left1980s
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Kris Bachtell reviewing plant specimen with seated visitor at Plant Clinic desk, Karla Patterson and other visitor listening to Tom Green speakJune 1983
Kohout, John
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Plan of May T. Watts Reading Garden, Morton Arboretum, Lisle, Illinois [planting plan, worksheet, spring]1980s
Bloom, John and Sally
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Platanus occidentalis (sycamore), single seed head hanging from twig with budsMay 1983
Kohout, Kitty
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Pat Kelsey (left) and Rick Hootman using the Atomic Absorption Spectrophotometer to test for heavy metal and salt contaminants in the lab1980s
Kohout, John
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Pat Kelsey (left) and Rick Hootman using the Atomic Absorption Spectrophotometer to test for heavy metal and salt contaminants in the lab1980s
Kohout, John
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Collaborative researchers from Northern Illinois University and Arboretum staff study root-system-nutrient interrelationships1982 – 1983
Kohout, John