SiteTitle • | Surficial geology of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois | [X] |
| 1: | | Title: | | | | Volume/Number: | 2009 | | | Issuing Agency: | | | | Description: | Map (two sheets) shows the surficial geology of the Columbia Quadrangle, Monroe and St. Clair Counties. Material resources, including sand and gravel and groundwater, environmental hazards, including karst, mass wasting, and soil erosion, are discussed. | | | Date Created: | 05 13 2009 | | | Agency ID: | IGQ Columbia-SG | | | ISL ID: | 000000020310 Original UID: 10635 FIRST WORD: Surficial | |
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