University of Illinois Urbana-Champaign

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Showing 9391–9420 of 9,497 items
Thumbnail for Catalog of Devonian and deeper tests in central Illinois
Catalog of Devonian and deeper tests in central Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for Year-book for 1906
Year-book for 1906
Illinois State Geological Survey

Thumbnail for Transactions of the Board of Trustees [electronic resource] / 1994-96
Transactions of the Board of Trustees [electronic resource] / 1994-96
University of Illinois (System). Board of Trustees