Serial
Branches: Newsletter of the Volunteers of the Morton Arboretum, Autumn 19901990
Way, Carol, Halperin, Marilyn J.
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May T. Watts and class at the Arboretum, riding in an open-air tram
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May T. Watts and class at the Arboretum, luncheon
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May T. Watts and class at the Arboretum, sitting on a bench
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May T. Watts, Mary Moulton, Helen Turner, Alice Goodrich, and Edna Jones with a class in the Redwood Buildingcirca 1948 – 1959
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Helen and Marge digging to a trout lily bulb
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Helen measuring a trout lily bulb root
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Vegetable dyes: Helen Turner's experiments
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Illinois Prairie Path, first trip: Ina Irmiter, Helen Turner, Lillian Lasch, and Ruth LeedyOctober 19 1963
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Illinois Prairie Path, first trip: Viola Sobolik, May T. Watts, and Helen TurnerOctober 19 1963
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Illinois Prairie Path, first trip: Warren Keck, Erica Watts, Jane Moore, Ina Irmiter, Ruth Leedy, Helen Turner, and Lillian LaschOctober 19 1963
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Illinois Prairie Path, first trip: Myrtle Pittenger, May T. Watts, and Helen TurnerOctober 19 1963
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Illinois Prairie Path, first trip: Erica Watts, Warren Keck, May T. Watts, and Helen TurnerOctober 19 1963
Sobolik, A. A.
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Illinois Prairie Path, first trip: May T. Watts and Helen Turner with group at Wayne village stationOctober 19 1963
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Illinois Prairie Path, first trip: Helen Turner at the Chicago, Aurora and Elgin right-of-way near WayneOctober 19 1963
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Illinois Prairie Path, first trip: Floyd Swink, Helen Turner, May T. Watts, and others near WheatonOctober 19 1963
Sobolik, A. A.
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Illinois Prairie Path, first trip: Helen Turner, Jane Moore, May T. Watts, and others observing plants along railroad tiesOctober 19 1963
Sobolik, A. A.
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Illinois Prairie Path, first trip: Helen Turner speaking to fellow hikers at a quarryOctober 19 1963
Sobolik, A. A.
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Illinois Prairie Path, first trip: May T. Watts, Floyd Swink, Helen Turner, and others having lunchOctober 19 1963
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Illinois Prairie Path, first trip: May T. Watts and Helen Turner with fellow hikersOctober 19 1963
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Illinois Prairie Path, first trip: May T. Watts speaking to fellow hikersOctober 19 1963
Sobolik, A. A.