University of Illinois Urbana-Champaign

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Showing 1171–1200 of 6,632 items
Thumbnail for Oil and gas development in Illinois in 1939
Oil and gas development in Illinois in 1939
Bell, Alfred Hannam; Cohee, George Vincent

Thumbnail for The geology of zinc in coals of the Illinois Basin
The geology of zinc in coals of the Illinois Basin
Cobb, J.C.; Steele, J.D.; Treworgy, C.G.; Ashby, Jim F.; Russell, S.J.

Thumbnail for Comparison of various floor systems in reinforced concrete
Comparison of various floor systems in reinforced concrete
Wolfe, William S.; Wiersema, Harry Anthony

Thumbnail for Summary of Illinois soil investigations
Summary of Illinois soil investigations
Hopkins, Cyril G.; Mosier, Jeremiah George; Bauer, Frederick Charles