University of Illinois Urbana-Champaign

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Showing 4591–4620 of 4,926 items
Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois agricultural pest control handbook
Illinois agricultural pest control handbook
University of Illinois at Urbana-Champaign. College of Agriculture Cooperative Extension Service

Thumbnail for Illinois agricultural pest control handbook
Illinois agricultural pest control handbook
University of Illinois at Urbana-Champaign. College of Agriculture Cooperative Extension Service