University of Illinois Urbana-Champaign

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Showing 8041–8070 of 10,787 items
Thumbnail for Oil and gas development in Illinois in 1940
Oil and gas development in Illinois in 1940
Bell, Alfred Hannam; Cohee, George Vincent

Thumbnail for Public ground-water supplies in Marshall county
Public ground-water supplies in Marshall county
Woller, Dorothy M.; Sargent, Michael L.; Olson, Robert D.; Sanderson, Ellis W.