U.S. Geological Survey Open-File Report 2009-1001
Geological Interpretation of the Sea Floor Offshore of Edgartown, Massachusetts
Figure 36. The slippersnail (Crepidula) shell bed on the bottom at station E10 northwest of the tip of the seaward extension of Middle Flats. Note the veneer of sediment on the shells. Station location is shown in figures 15 and 29.