University of Illinois Urbana-Champaign

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Showing 661–690 of 8,587 items
Thumbnail for Availability of the Colchester coal for mining in northern and western Illinois
Availability of the Colchester coal for mining in northern and western Illinois
Korose, Christopher P.; Elrick, Scott D.; Jacobson, R.J.

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Water quality and agrichemical loading in two groundwater basins of Illinois' sinkhole plain
Water quality and agrichemical loading in two groundwater basins of Illinois' sinkhole plain
Panno, S.V.; Kelly, W.R.; Weibel, C.P.; Krapac, I.G.; Sargent, S.L.

Thumbnail for Geology for planning in northeastern Illinois. II
Geology for planning in northeastern Illinois. II
Gilkeson, Robert H.; Westerman, Alfred A.

Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.