
Overview of the regional geologic framework
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Bedrock topography (a regional view)
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"Peel off" subsurface units, one at a time
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Horizontally "slice" through the surficial deposits
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Vertically "slice" through the deposits from south to north from east to west |
| Comments and questions may be directed to Dave Soller (USGS), at drsoller@usgs.gov, or to Dick Berg (ISGS), at berg@geoserv.isgs.uiuc.edu. |
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