FIGURES-Continued 



21 Line profile reduction of seismic reflection profile line A, Jacksonville grid area . 43 



22 Photos of typical type A sediment samples 45 



23 Photos of typical type F sediment samples 49 



24 Photos of type G sediment samples 51 



25 Photos of type L sediment samples ; 53 



26 Photos of type M sediment samples 55 



27 Surface distribution of sediments on the north Florida shelf 58 



28 Surface distribution of sediments on the north Florida shelf 59 



29 Map of the Georgia border to Jacksonville area 62 



30 Shallow shelf stratigraphy along lines E and J in the Fernandina grid 63 



31 Shallow shelf stratigraphy along lines A, E, and G in the Jacksonville grid .... 64 



32 Bathymetric map of the inner shelf near St. Johns Inlet 65 



33 Map of the Jacksonville to St. Augustine area 66 



34 Shallow shelf stratigraphy along lines E and J in the St. Augustine grid 68 



35 Lithostratigraphic correlations between St. Augustine and Daytona Beach .... 69 



36 Lithostratigraphic correlations between Daytona Beach and Cape Canaveral ... 70 



37 Weight percent at acid soluble material, median grain size, and sorting of 



sediment samples for east coast beaches of north Florida 78 



38 Map of north Florida showing erosion conditions 82 



39 Comparison of the distribution of beach and shelf sands 85 



40 Potential offshore sand borrow areas off the Fernandina-JacksonviUe area .... 90 



41 Potential offshore sand borrow areas between the Jacksonville area and 



Matanzas Inlet 91 



42 Potential offshore sand borrow areas between Matanzas Inlet and 



Daytona Beach 92 



43 Potential offshore sand borrow areas between Daytona Beach and 



Cape Canaveral 93 



