University of Illinois Urbana-Champaign

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Showing 4861–4890 of 5,066 items
Thumbnail for Illinois magazine.
Illinois magazine.
Submitter: Timothy Donohue

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

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