University of Illinois Urbana-Champaign

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Showing 7561–7590 of 7,646 items
Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois agricultural pest management handbook
Illinois agricultural pest management handbook
University of Illinois at Urbana-Champaign. College of Agriculture, Consumer, and Environmental Services. Cooperative Extension Service