University of Illinois Urbana-Champaign

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Showing 331–360 of 496 items
Thumbnail for Oil and gas development in Illinois during 1951
Oil and gas development in Illinois during 1951
Bell, Alfred Hannam; Kline, Virginia

Thumbnail for Groundwater availability in Champaign County
Groundwater availability in Champaign County
Sanderson, Ellis W.; Zewde, Elias

Thumbnail for Rainfall frequency atlas of the Midwest
Rainfall frequency atlas of the Midwest
Huff, Floyd A.; Angel, James R.