University of Illinois Urbana-Champaign

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Showing 3871–3900 of 5,356 items
Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Northeastern Illinois Water Supply Planning Investigations: Opportunities and Challenges of Meeting Water Demand in Northeastern Illinois--Full Report
Northeastern Illinois Water Supply Planning Investigations: Opportunities and Challenges of Meeting Water Demand in Northeastern Illinois--Full Report
Meyer, Scott C.; Wehrmann, H. Allen; Knapp, H. Vernon; Lin, Yu-Feng ; Glatfelter, F. Edward; Angel, James R.; Thomason, Jason F. ; Injerd, Daniel A.