Organization • | Illinois State Geological Survey | [X] |
| 1: | | Title: | | | | Volume/Number: | 2008 | | | Issuing Agency: | | | | Description: | Map (one sheet) describing the bedrock topography of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois. scale 1:24000 | | | Date Created: | 06 05 2008 | | | Agency ID: | IGQ Columbia BT | | | ISL ID: | 000000011292 Original UID: 5994 FIRST WORD: Bedrock | |
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