Organization • | Illinois State Geological Survey | [X] |
| 1: | | Title: | | | | Volume/Number: | 2009 | | | Issuing Agency: | | | | Description: | Update of the 1991 report providing statistics on the proximity of urban areas to coal and non-coal underground-mined areas in Illinois. | | | Date Created: | 08 31 2009 | | | Agency ID: | Circular 575 | | | ISL ID: | 000000025491 Original UID: 12435 FIRST WORD: The | |
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