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[Aerial photograph of] the Morton Arboretum [Crabapple Lake]March 25 1986
Sidwell Company
Map
Hidden Lake Forest Preserve [Exhibit 1: Arboretum-Forest Preserve District Cooperative Research Program Space Study]April 1984
Forest Preserve District of DuPage County
Map
Morton Arboretum, DuPage County, Illinois (topographic survey)circa 1970
Chicago Aerial Survey Co.
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[Aerial photograph of] the Morton Arboretum [South Farm]March 25 1986
Sidwell Company
Map
Morton Arboretum, DuPage County, Illinois (topographic survey)November 19 1967
Chicago Aerial Survey Co.
Photographic image
[Aerial photograph of] the Morton Arboretum [Willoway Creek]March 25 1986
Sidwell Company
Map
Morton Arboretum, DuPage County, Illinois (topographic survey)circa 1970
Chicago Aerial Survey Co.
Photographic image
Aerial view of Thornhill Residence looking north amid Parsons Grove on west side of DuPage RiverCurtiss-Wright
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[Aerial Photograph of] Lisle, Illinois Township, DuPage Co.April 1981
Northeast Illinois Planning Commission
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[Aerial Photograph of The Morton Arboretum and Adjacent Areas]November 19 1967
Chicago Aerial Survey Co.
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Aerial view of entire Morton Farm and estate (relay tower in distance)Curtiss-Wright
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[Aerial Photograph of] Lisle, Illinois Township, DuPage Co.April 1981
Northeast Illinois Planning Commission
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[Aerial Photograph of The Morton Arboretum and Adjacent Areas, enlargement]November 19 1967
Chicago Aerial Survey Co.
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[Aerial Photograph of the Morton Arboretum, original screened photograph]circa 1977
Photographic image
[Aerial Photograph of] Lisle, Illinois Township, DuPage Co.April 1981
Northeast Illinois Planning Commission
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[Aerial Photograph of] Milton Township, DuPage Co. [Section 33]April 1981
Northeast Illinois Planning Commission
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[Aerial Photograph of] Milton Township, DuPage Co. [Section 34]April 1981
Northeast Illinois Planning Commission