University of Illinois Urbana-Champaign

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Showing 3631–3660 of 5,710 items
Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Ogle County soils / 38
Ogle County soils / 38
Smith, Raymond Stratton

Thumbnail for Investigation of warm-air furnaces and heating systems
Investigation of warm-air furnaces and heating systems
Willard, Arthur Cutts; Kratz, Alonzo Plumsted; Day, Vincent Stephen

Thumbnail for Bituminous coal storage practice
Bituminous coal storage practice
Stoek, Harry Harkness; Hippard, Clemence William