U.S. Geological Survey Open-File Report 2013–1003
Sea-Floor Geology in Northeastern Block Island Sound, Rhode Island
Title | List of Figures | Conversion Factors | Abstract | Introduction | Setting | Methods | Bathymetry | Sidescan Sonar | Sediments | Bottom Photography | GIS Data Catalog | Summary | Acknowledgments | References | Contacts | Index
Figure 11. Sediment-classification scheme from Shepard (1954), as modified by Schlee (1973) and Poppe and others (2004). %, percent; <, less than. |