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Photographic image
Close-up view of experimental pollutant collection equipment near Puffer LakeJanuary 1972
Photographic image
Looking south from Puffer Lake inlet across the East-West Tollway with office building in backgroundJanuary 1972
Photographic image
Experimental devices to catch salt from East-West Tollway near Puffer LakeJanuary 1972
Photographic image
Snow-covered planting lane near Puffer Lake with bare trees along sideJanuary 1972
Photographic image
[Aerial Photograph of a Portion of the East Half, the Morton Arboretum]November 7 1974
Map
Wastewater collection and treatment facilities, Glenbard Wastewater Authority; EPA grant project C171694: South regional interceptor1977
Clark, Dietz & Associates, Engineers, Inc.
Map
Hidden Lake Forest Preserve [site survey, ecological reconstruction, ecosystems/ecological value, slope, hydrology, soils, minerals, cultural improvements, and neighboring land use]circa 1975
Forest Preserve District of DuPage County
Photographic image
[Oblique aerial photograph of the east half of the Morton Arboretum]January 12 1973
Airpix
Plan
A Development Plan for a Taxonomic Trail, The Morton Arboretum [including additional markings]October 1971
Tyznik, Anthony
Map
Hidden Lake Forest Preserve [site survey, ecological reconstruction, ecosystems/ecological value, slope, hydrology, soils, minerals, cultural improvements, and neighboring land use]circa 1975
Forest Preserve District of DuPage County
Plan
Morton Arboretum [Geographical Group - Balkan, Caucasus, Chinese - tree planting plan , surviving plants in 1978]circa 1978
Teuscher, Henry