University of Illinois Urbana-Champaign

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Showing 4231–4260 of 6,223 items
Thumbnail for Results of tests on sewage treatment
Results of tests on sewage treatment
Babbitt, Harold Eaton; Schlenz, Harry Edward

Thumbnail for Peoria-Pekin Regional Ground-Water Quality Assessment
Peoria-Pekin Regional Ground-Water Quality Assessment
Burch, Stephen L.; Kelly, Douglas J.