University of Illinois Urbana-Champaign

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Showing 4621–4650 of 6,296 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 Oil and gas development in Illinois during 1952
Oil and gas development in Illinois during 1952
Bell, Alfred Hannam; Kline, Virginia