Naperville Rivwewalk 2006/10/23
Hackberry
Celtis occidentalis
Ginkgo Biloba seeds
Ginkgo biloba
Ginkgo Biloba
Ginkgo biloba
Flatheaded Mayfly
Heptageniidae
White Pine
Pinus strobus
American Sycamore
Platanus occidentalis

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Copyleft Peter Chen