Quadrangle Maps
| Mascoutah | Surficial Geology | 2010 |
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| Maunie | Surficial Geology | 2014 |
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| McClure, Mill Creek | Geology | 1994 |
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| McHenry | Surficial Geology | 2003 |
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| Mermet | Geology | 1997 |
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| Mermet | Surficial Geology | 1996 |
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| Merna | Surficial Geology | 2014 |
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| Metamora | Surficial Geology | 2015 |
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| Metropolis | Surficial Geology | 2002 |
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| Davenport East, Milan | Bedrock Geology | 2020 |
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Pages
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps