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University of Illinois Urbana-Champaign

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Showing 691–720 of 3,189 items
Thumbnail for An Investigation of the performance of six small septic tanks
An Investigation of the performance of six small septic tanks
Baumann, E. Robert; Babbitt, Harold Eaton

Thumbnail for Results of tests on sewage treatment
Results of tests on sewage treatment
Babbitt, Harold Eaton; Schlenz, Harry Edward