University of Illinois Urbana-Champaign

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Showing 841–870 of 3,624 items
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Additional Content
Submitter: Howard Ding

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Maps and Scholars
Cobb, David A.

Thumbnail for The mica in argillaceous sediments
The mica in argillaceous sediments
Grim, Ralph E.; Bray, Roger Hammond; Bradley, William Frank

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