ILLUSTRATIONS (Continued) 

 Figure Page 



1 General Map of the Study Area 5 



2 Navigation Plot Showing Survey Tracklines and Core 

 Locations, Fort Pierce Grid Area 6 



3 Navigation Plot Showing Survey Tracklines and Core 

 Locations in Reconnaissance Areas North (left) and 



South (right of Fort Pierce Grid 7 



4 Schematic Profile of Shelf Morphology Typical of the 



Study Area and Descriptive Terminology 14 



5 Map Showing the Major Morphologic Features of the 

 Continental Shelf in the Study Area 15 



6 Section of a Dual Channel Seismic Reflection Record 

 Obtained in the Study Area 18 



7 Schematic Profile Showing Characteristics of Prominent 

 Shallow Acoustic Reflectors Underlying the Bottom .... 20 



8 Contour Map of the Surface of the Blue Acoustic Reflector 21 



9 The Isopachous Map of the Interval from the Water- 

 Sediment Interface to the Top of the Shallow Blue 



Acoustic Reflector 22 



10 Contour Map of the Surface of the Yellow Reflecting 

 Horizon. Depths are in feet below MSL. 23 



11 Contour Map of the Surface of the Orange Reflecting 

 Horizon. Depths are in feet below MSL 25 



12 Contour and Isopach Maps of the Blue Reflector in the 

 Fort Pierce-Canaveral Bight Reconnaissance Area. 



Depths are in feet below MSL 27 



13 Contour and Isopach Maps of the Surface of the Blue 

 Reflector in the Reconnaissance Area between Fort Pierce 



and Palm Beach. Depths are in feet below MSL 28 



14 Exterior and Interior Views of Valves of Pelecypods 

 Commonly Found in Whole or Gragmented Sediments from 



the Study Area . 31 



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