University of Illinois Urbana-Champaign

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Showing 4171–4200 of 7,871 items
Thumbnail for Study of Atmospheric Pollution Scavenging: Seventeenth Progress Report
Study of Atmospheric Pollution Scavenging: Seventeenth Progress Report
Semonin, Richard G.; Bartlett, Janyce D.; Gatz, Donald F.; Peden, Mark E.; Skowrow, Lorretta M.; Stensland, Gary J.

Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.