University of Illinois Urbana-Champaign

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Showing 4201–4230 of 7,642 items
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

Thumbnail for Preliminary Report on the Ground-Water Resources of the Havana Region in
Preliminary Report on the Ground-Water Resources of the Havana Region in
Walker, William H.; Bergstrom, Robert Edward; Walton, William Clarence

Thumbnail for Policy forum / 2-7
Policy forum / 2-7
Submitter: Howard Ding