University of Illinois Urbana-Champaign

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Showing 4951–4980 of 8,469 items
Thumbnail for Petroleum industry in Illinois in 1955.
Petroleum industry in Illinois in 1955.
Bell, Alfred Hannam; Kline, Virginia Harriet; Witherspoon Jr., Paul Adams; Pierre, Donald A.

Thumbnail for A manual for conducting preliminary environmental site assessments for Illinois Department of Transportation highway projects
A manual for conducting preliminary environmental site assessments for Illinois Department of Transportation highway projects
Erdmann, Anne L.; Adomaitis, Daniel J.; Bannon-Nilles, Phyllis L.; Kientop, Gregory A.; Schmidt, Dale R.

Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources