University of Illinois Urbana-Champaign

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Showing 3331–3360 of 18,889 items
Thumbnail for What If Extinction Is Not Forever?
What If Extinction Is Not Forever?
Sherkow, Jacob S.; Greely, Henry T.

Thumbnail for 2012 Report
2012 Report
Prairie Research Institute

Thumbnail for Beneficiation of kaolinite clay from silica sand washings
Beneficiation of kaolinite clay from silica sand washings
Bohor, Bruce Forbes; Ehrlinger, Henry P., III

Thumbnail for Illinois mineral industry in 1975
Illinois mineral industry in 1975
Samson, Irma; Dingwell, Amy G.