University of Illinois Urbana-Champaign

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Showing 31–60 of 3,020 items
Thumbnail for Properties of clay
Properties of clay
Grim, Ralph E.

Thumbnail for A unique clay from the Goose Lake, Illinois, area
A unique clay from the Goose Lake, Illinois, area
Grim, Ralph E.; Bradley, William Frank

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.