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1985/10/31: DuPage River Survey Worksheet


3.83110
Forms
Digitized
Original
21.5 cm W x 27.8 cm H (Item)
2 sheets
Document
October 31 1985
Survey of water temperature, dissolved oxygen, and visual observations of current, clarity, and foam content for various sites on the DuPage River dated October 31, 1985.
English
Copyright statement: Copyright restrictions applying to use or reproduction of this image are available from the Sterling Morton Library, The Morton Arboretum. For more information, please visit our ABOUT section or complete and submit this form.