

v#1 



#0. 



-.«<*: 



M 



\ r _ ■ i Three examples of bathymetric survey point 



"'sK??* data. The dots represent areas where the depths 



■ l T - that are shallower than the authorized project depth 



'" '-"■ (shoaling). Note the persistent shoaling in Old Pass 



,. and at the Channel Bend 



'V' 



N 



1000 1000 2000 Feet 



1997 Bathymetric Survey 



Figure 7. Bathymetric survey comparisons, 1985, 1990, 1997 



20 



Chapter 2 DMS-Data Manager 



