University of Illinois Urbana-Champaign

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Showing 7951–7980 of 8,071 items
Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for The head-capsule of Coleoptera
The head-capsule of Coleoptera
Stickney, Fenner Satterthwaite