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Collection of Lake Michigan and Chain-of-Lakes Lakebed Core Sample Logs and Associated Data from Illinois


This collection includes data and records for core samples drilled in the Chain-Of-Lakes Lakebed, managed by the Illinois State Geological Survey.

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UL_53c68ea8e4b0001bd51477eb_20140821.xml 1.07 MB

Material Request Instructions

For additional information about this core data collection, please visit the Geologic Records Unit website at Phone: 217-333-5109 or visit our home page at


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