University of Illinois Urbana-Champaign

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Showing 841–870 of 13,235 items
Thumbnail for Bedrock geology of Vienna Quadrangle, Johnson County, Illinois
Bedrock geology of Vienna Quadrangle, Johnson County, Illinois
Nelson, W. John; Hintz, Jena; Devera, Joseph A.; Denny, F. Brett

Thumbnail for Guide to rocks and minerals of Illinois.
Guide to rocks and minerals of Illinois.
Illinois State Geological Survey

Thumbnail for An Expert Systems Approach to Highway Construction Scheduling
An Expert Systems Approach to Highway Construction Scheduling
Slattery, Dianne K.; Slattery, Kerry T.; Bruce, Richard D.