| 1: | | Title: | | | | Volume/Number: | 2007 | | | Issuing Agency: | | | | Description: | Map (2 sheets) on the bedrock geology of Crab Orchard Quadrangle, Williamson County, Illinois. Plots of map are available for purchase | | | Date Created: | 12 06 2007 | | | Agency ID: | IGQ Crab Orchard BG | | | ISL ID: | 000000006938 Original UID: 4634 FIRST WORD: Bedrock | |
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