University of Illinois Urbana-Champaign

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Showing 3631–3660 of 3,726 items
Thumbnail for Catalog of Devonian and deeper tests in southern Illinois
Catalog of Devonian and deeper tests in southern Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Parr, Samuel Wilson; Palmer, George Thomas; Udden, Johan August