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U.S. Geological Survey Open-File Report 2009-1137

Quaternary Geologic Framework of the St. Clair River between Michigan and Ontario, Canada

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Figure 13. Elevation (IGLD 1985) of bedrock surface (DsU) in the northernmost St. Clair River area. The black line shows the location of the geologic section A-A’ (fig. 12). Grid-cell size is 20 m x 20 m. (2005 orthophoto base from Michigan State University, Remote Sensing & GIS Research and Outreach Services, USDA-FSA Aerial Photography Field Office.)

Figure 13, map.


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