University of Illinois Urbana-Champaign

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Showing 4561–4590 of 7,698 items
Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Oil and gas development in Illinois in 1942
Oil and gas development in Illinois in 1942
Bell, Alfred Hannam; Carter, Charles William