University of Illinois Urbana-Champaign

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Showing 811–840 of 8,624 items
Thumbnail for Forms and volatilities of trace minor elements in coal
Forms and volatilities of trace minor elements in coal
Cahill, Richard A.; Shiley, Richard H.; Shimp, Neil F.; Konopka, Kenneth L.; Hinckley, Conrad C.; Smith, Gerard V.; Twardowska, Helena; Saporoschenko, Mykola

Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Directory of Illinois mineral producers 1974
Directory of Illinois mineral producers 1974
Malhotra, Ramesh; Smith, Portia Allyn

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 Groundwater Flow Models of Illinois: Data, Processes, Model Performance, and Key Results
Groundwater Flow Models of Illinois: Data, Processes, Model Performance, and Key Results
Abrams, Daniel B.; Mannix, Devin H.; Hadley, Daniel R.; Roadcap, George S.