University of Illinois Urbana-Champaign

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Showing 781–810 of 2,845 items
Thumbnail for Arsenic in Groundwater in the Tolono Region
Arsenic in Groundwater in the Tolono Region
Kelly, Walton R.; Holm, Thomas R.

Thumbnail for Composition and character of Illinois coals,
Composition and character of Illinois coals,
Parr, Samuel Wilson; Bement, Alburto; Breckenridge, Lester Paige

Thumbnail for Surficial Geology Metropolis Quadrangle, Massac County, Illinois
Surficial Geology Metropolis Quadrangle, Massac County, Illinois
Nelson, W. John; Masters, John M.; Follmer, Leon R.