University of Illinois Urbana-Champaign

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Showing 7861–7890 of 11,979 items
Thumbnail for Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways
Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways
El-Rayes, Khaled; Liu, Liang; El-Gohary, Nora; Abdelmohsen, Ahmed Zafer

Thumbnail for Current developments in rock, rock products, and industrial minerals.
Current developments in rock, rock products, and industrial minerals.
Mineral Industries Conference of Illinois (5th : 1938 : Urbana)