University of Illinois Urbana-Champaign

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Showing 4561–4590 of 7,435 items
Thumbnail for Upper Sangamon River area assessment
Upper Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Availability of the Herrin coal for mining in Illinois
Availability of the Herrin coal for mining in Illinois
Treworgy, Colin G.; Korose, Christopher P.; Wiscombe, Christine L.