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century
20th century
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1970s
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1978
1993
people, organizations and landmarks
Clark Jr., Edward T.
Wight & Company
Downers Grove Sanitary District
Hall, Marion Trufant
Knuepfer, Jack T.
Lake Marmo
Pine, Ron
Steiger, Robert
Ware, George
and 2 more
collection
George Ware papers
The Morton Arboretum Records
Subject/Keyword
Arboretum, East Side
DuPage County, Illinois
East Boundary
Lake Marmo
Leask Lane
Pumping stations
Roosevelt Road (US 330)
Sterling Pond
Urban impact analysis
Urban runoff
Waste water management
Water quality management
Watersheds
Willoway Brook
and 7 more
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Document
1978/11/27: Marion T. Hall to Jack T. Knuepfer
November 27 1978
Hall, Marion Trufant
Map
Northwest pumping station improvement, Downers Grove Sanitary District, DuPage County
April 21 1993
Wight & Company
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