University of Illinois Urbana-Champaign

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Showing 4861–4890 of 8,119 items
Thumbnail for Sulfur reduction of Illinois coals--washability studies
Sulfur reduction of Illinois coals--washability studies
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.; Hopkins, M.E.

Thumbnail for The biogeochemistry of blue, snow, and Ross' geese
The biogeochemistry of blue, snow, and Ross' geese
Hanson, Harold C.; Jones, Robert L.