University of Illinois Urbana-Champaign

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Showing 1771–1800 of 3,248 items
Thumbnail for Evaluation of Watershed Management Practices for Improving Stream Quality in the
            Illinois Watershed Program
Evaluation of Watershed Management Practices for Improving Stream Quality in the Illinois Watershed Program
Dodd, Hope R.; Wahl, David H.; McIsaac, Gregory F.; Hoxmeier, John H.; Roseboom, D.

Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.