University of Illinois Urbana-Champaign

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Showing 8731–8760 of 20,448 items
Thumbnail for Optimal time for collecting volatile organic chemical samples from slowly recovering wells
Optimal time for collecting volatile organic chemical samples from slowly recovering wells
Chou, Sheng-Fu J.; Herzog, Beverly L.; Valkenburg, John R.; Griffin, Robert A.

Thumbnail for Algal removal by alum coagulation
Algal removal by alum coagulation
Lin, S.D.; Evans, Ralph L.; Beuscher, D.B.

Thumbnail for Annual register. 1919-20
Annual register. 1919-20
University of Illinois at Urbana-Champaign