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U.S. Geological Survey Open-File Report 2009-1001

Geological Interpretation of the Sea Floor Offshore of Edgartown, Massachusetts

Skip past contents information Title | List of Figures | Conversion Factors | Abstract | Introduction | Setting | Methods | Bathymetry | Sidescan Sonar | Seismic Profiles | Sediments | Bottom Photography | Data Catalog | Summary | Acknowledgments | References Cited | Contacts

Figure 4, paleogeographic map just before 18 thousand years ago showing the extents of the Laurentide ice sheet and Glacial Lake Nantucket Sound.

Figure 4. Regional paleogeographic map of Cape Cod and the islands just before 18 thousand years ago (ka). Map shows the extents of the Laurentide ice sheet and Glacial Lake Nantucket Sound.


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