University of Illinois Urbana-Champaign

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Showing 1621–1650 of 10,227 items
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)

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Table of Contents
Submitter: Howard Ding

Thumbnail for Shawnee area assessment
Shawnee area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources, Illinois State Water Survey

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Additional Content
Submitter: Howard Ding