U.S. Geological Survey Open-File Report 2009-1137
Quaternary Geologic Framework of the St. Clair River between Michigan and Ontario, Canada
Figure 7. Map showing tracklines (red) where Boomer sub-bottom data were collected in the northernmost St. Clair River area. Tracklines are shown in red. (2005 orthophoto base from Michigan State University, Remote Sensing & GIS Research and Outreach Services, USDA-FSA Aerial Photography Field Office.) |