University of Illinois Urbana-Champaign

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Showing 2161–2190 of 4,443 items
Thumbnail for Chemical and physical character of the Pennsylvanian sandstones in central Illinois
Chemical and physical character of the Pennsylvanian sandstones in central Illinois
Bradbury, James C.; Ostrom, Meredith O.; Lamar, John Everts

Thumbnail for Street lighting
Street lighting
Bryant, John Myron; Hake, Harry Gray