University of Illinois Urbana-Champaign

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Showing 7651–7680 of 7,963 items
Thumbnail for Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Rock wool from Illinois mineral resources
Rock wool from Illinois mineral resources
Lamar, John Everts; Willman, Harold Bowen; Fryling, Charles Frederick; Voskuil, Walter Henry

Thumbnail for Oil and gas development in Illinois in 1949
Oil and gas development in Illinois in 1949
Bell, Alfred Hannam; Kline, Virginia